refactor: changes stacked modals transition

[pretzelhammer]

Describe the problem prior to this PR (link ticket/issue):
"jumpy" modals

Describe the changes in this PR:

makes stacked modals transition smoother

Other information:
no

[github-actions]

📊 Package size report   0.4%↑

File	Before	After
/components/Modal/script.js	7.2 kB	9%↑7.9 kB
/components/Modal/styles.css	925 B	-19.7%↓743 B
Total (Includes all files)	809.6 kB	0.4%↑812.9 kB
Tarball size	133.3 kB	0.8%↑134.4 kB

Unchanged files

File	Size
/components/ActionBar/index.js	50 B
/components/ActionBar/script.js	14.4 kB
/components/ActionBar/styles.css	3.7 kB
/components/Button/index.js	50 B
/components/Button/script.js	5.2 kB
/components/Button/styles.css	2.6 kB
/components/Checkbox/index.js	50 B
/components/Checkbox/script.js	4.3 kB
/components/Checkbox/styles.css	1.5 kB
/components/Divider/index.js	50 B
/components/Divider/script.js	2.4 kB
/components/Divider/styles.css	96 B
/components/Heading/index.js	50 B
/components/Heading/script.js	3.1 kB
/components/Heading/styles.css	2.8 kB
/components/Image/index.js	50 B
/components/Image/script.js	3.9 kB
/components/Image/styles.css	142 B
/components/Input/index.js	50 B
/components/Input/script.js	4.6 kB
/components/Input/styles.css	2.7 kB
/components/Loading/index.js	50 B
/components/Loading/script.js	2.9 kB
/components/Loading/styles.css	973 B
/components/Modal/index.js	50 B
/components/Notice/index.js	50 B
/components/Notice/script.js	4.0 kB
/components/Notice/styles.css	587 B
/components/Radio/index.js	50 B
/components/Radio/script.js	4.0 kB
/components/Radio/styles.css	1.4 kB
/components/Section/index.js	50 B
/components/Section/script.js	3.1 kB
/components/Section/styles.css	836 B
/components/SegmentedControl/index.js	50 B
/components/SegmentedControl/script.js	3.9 kB
/components/SegmentedControl/styles.css	667 B
/components/Select/index.js	50 B
/components/Select/script.js	5.1 kB
/components/Select/styles.css	1.6 kB
/components/Skeleton/index.js	50 B
/components/Skeleton/script.js	5.1 kB
/components/Skeleton/styles.css	625 B
/components/Stepper/index.js	50 B
/components/Stepper/script.js	4.2 kB
/components/Stepper/styles.css	335 B
/components/Text/index.js	50 B
/components/Text/script.js	2.8 kB
/components/Text/styles.css	907 B
/components/Textarea/index.js	50 B
/components/Textarea/script.js	4.1 kB
/components/Textarea/styles.css	2.0 kB
/components/Theme/index.js	28 B
/components/Theme/script.js	8.0 kB
/components/Toggle/index.js	50 B
/components/Toggle/script.js	4.3 kB
/components/Toggle/styles.css	3.1 kB
/components/TransitionFade/index.js	28 B
/components/TransitionFade/script.js	2.8 kB
/components/TransitionResize/index.js	28 B
/components/TransitionResize/script.js	3.9 kB
/components/TransitionSpringUp/index.js	28 B
/components/TransitionSpringUp/script.js	2.8 kB
/LICENSE	552 B
/package.json	4.5 kB
/README.md	327 B
/utils/assert.js	1.5 kB
/utils/BlockFormControlLayout/index.js	50 B
/utils/BlockFormControlLayout/script.js	2.5 kB
/utils/BlockFormControlLayout/styles.css	267 B
/utils/InlineFormControlLayout/index.js	50 B
/utils/InlineFormControlLayout/script.js	2.9 kB
/utils/InlineFormControlLayout/styles.css	332 B
/utils/TransitionSpring/index.js	28 B
/utils/TransitionSpring/script.js	2.9 kB
/utils/TransitionSpringResponsive/index.js	28 B
/utils/TransitionSpringResponsive/script.js	3.1 kB

Hidden files

File	Before	After
/components/ActionBar/script.js.map	73.2 kB	73.2 kB
/components/ActionBar/styles.css.map	14.4 kB	14.4 kB
/components/Button/script.js.map	23.3 kB	23.3 kB
/components/Button/styles.css.map	8.5 kB	8.5 kB
/components/Checkbox/script.js.map	21.1 kB	21.1 kB
/components/Checkbox/styles.css.map	4.1 kB	4.1 kB
/components/Divider/script.js.map	13.0 kB	13.0 kB
/components/Divider/styles.css.map	691 B	691 B
/components/Heading/script.js.map	17.0 kB	17.0 kB
/components/Heading/styles.css.map	5.3 kB	5.3 kB
/components/Image/script.js.map	16.8 kB	16.8 kB
/components/Image/styles.css.map	2.8 kB	2.8 kB
/components/Input/script.js.map	23.7 kB	23.7 kB
/components/Input/styles.css.map	6.4 kB	6.4 kB
/components/Loading/script.js.map	15.1 kB	15.1 kB
/components/Loading/styles.css.map	2.3 kB	2.3 kB
/components/Modal/script.js.map	28.2 kB	6%↑29.7 kB
/components/Modal/styles.css.map	4.8 kB	26%↑6.1 kB
/components/Notice/script.js.map	17.7 kB	17.7 kB
/components/Notice/styles.css.map	2.9 kB	2.9 kB
/components/Radio/script.js.map	19.8 kB	19.8 kB
/components/Radio/styles.css.map	3.8 kB	3.8 kB
/components/Section/script.js.map	16.2 kB	16.2 kB
/components/Section/styles.css.map	2.8 kB	2.8 kB
/components/SegmentedControl/script.js.map	19.5 kB	19.5 kB
/components/SegmentedControl/styles.css.map	3.3 kB	3.3 kB
/components/Select/script.js.map	23.6 kB	23.6 kB
/components/Select/styles.css.map	5.4 kB	5.4 kB
/components/Skeleton/script.js.map	21.9 kB	21.9 kB
/components/Skeleton/styles.css.map	2.9 kB	2.9 kB
/components/Stepper/script.js.map	18.1 kB	18.1 kB
/components/Stepper/styles.css.map	3.3 kB	3.3 kB
/components/Text/script.js.map	14.3 kB	14.3 kB
/components/Text/styles.css.map	2.6 kB	2.6 kB
/components/Textarea/script.js.map	21.1 kB	21.1 kB
/components/Textarea/styles.css.map	4.9 kB	4.9 kB
/components/Theme/script.js.map	40.7 kB	40.7 kB
/components/Toggle/script.js.map	22.3 kB	22.3 kB
/components/Toggle/styles.css.map	5.6 kB	5.6 kB
/components/TransitionFade/script.js.map	12.4 kB	12.4 kB
/components/TransitionResize/script.js.map	16.2 kB	16.2 kB
/components/TransitionSpringUp/script.js.map	12.5 kB	12.5 kB
/utils/assert.js.map	6.1 kB	6.1 kB
/utils/BlockFormControlLayout/script.js.map	12.3 kB	12.3 kB
/utils/BlockFormControlLayout/styles.css.map	896 B	896 B
/utils/InlineFormControlLayout/script.js.map	14.7 kB	14.7 kB
/utils/InlineFormControlLayout/styles.css.map	1.3 kB	1.3 kB
/utils/TransitionSpring/script.js.map	12.6 kB	12.6 kB
/utils/TransitionSpringResponsive/script.js.map	13.6 kB	13.6 kB

_{🤖 This report was automatically generated by pkg-size-action}

[github-actions]

Styleguide deployed to https://square.github.io/maker/styleguide/desktop-modal-stacking-slide-transitions/#/

[pretzelhammer]

closing this as it's made obsolete by this #35