feat: add a FXAA anti-aliasing pass

[larsmoa]

Add a simple FXAA pass after composition to reduce aliasing. This effect is virtually free and doesn't reduce performance.

(left is without FXAA, right is with FXAA)

[codecov]

Codecov Report

Merging #1119 into master will increase coverage by 0.17%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1119      +/-   ##
==========================================
+ Coverage   64.58%   64.76%   +0.17%     
==========================================
  Files          93       93              
  Lines        4137     4158      +21     
  Branches      414      414              
==========================================
+ Hits         2672     2693      +21     
  Misses       1461     1461              
  Partials        4        4              

Impacted Files	Coverage Δ
...rc/datamodels/cad/rendering/EffectRenderManager.ts	63.75% <100.00%> (+3.46%)	⬆️
viewer/src/datamodels/cad/rendering/shaders.ts	100.00% <100.00%> (ø)

[github-actions]

📙 Documentation preview is available from
https://cognitedata.github.io/reveal-docs-preview/1119/docs.

[github-actions]

There were failures in the examples workflow. This usually means a visual regression test has failed. Image diffs for visual tests can be downloaded as an artifact here. If there are no artifacts there's an error somewhere else in the examples workflow. If you have made intentional changes you can update the image snapshots by running yarn snapshots:update in examples/

[github-actions]

There were failures in the examples workflow. This usually means a visual regression test has failed. Image diffs for visual tests can be downloaded as an artifact here. If there are no artifacts there's an error somewhere else in the examples workflow. If you have made intentional changes you can update the image snapshots by running yarn snapshots:update in examples/

[github-actions]

There were failures in the examples workflow. This usually means a visual regression test has failed. Image diffs for visual tests can be downloaded as an artifact here. If there are no artifacts there's an error somewhere else in the examples workflow. If you have made intentional changes you can update the image snapshots by running yarn snapshots:update in examples/

[github-actions]

There were failures in the examples workflow. This usually means a visual regression test has failed. Image diffs for visual tests can be downloaded as an artifact here. If there are no artifacts there's an error somewhere else in the examples workflow. If you have made intentional changes you can update the image snapshots by running yarn snapshots:update in examples/

[github-actions]

There were failures in the examples workflow. This usually means a visual regression test has failed. Image diffs for visual tests can be downloaded as an artifact here. If there are no artifacts there's an error somewhere else in the examples workflow. If you have made intentional changes you can update the image snapshots by running yarn snapshots:update in examples/

[github-actions]

There were failures in the examples workflow. This usually means a visual regression test has failed. Image diffs for visual tests can be downloaded as an artifact here. If there are no artifacts there's an error somewhere else in the examples workflow. If you have made intentional changes you can update the image snapshots by running yarn snapshots:update in examples/

[github-actions]

There were failures in the examples workflow. This usually means a visual regression test has failed. Image diffs for visual tests can be downloaded as an artifact here. If there are no artifacts there's an error somewhere else in the examples workflow. If you have made intentional changes you can update the image snapshots by running yarn snapshots:update in examples/

[github-actions]

There were failures in the examples workflow. This usually means a visual regression test has failed. Image diffs for visual tests can be downloaded as an artifact here. If there are no artifacts there's an error somewhere else in the examples workflow. If you have made intentional changes you can update the image snapshots by running yarn snapshots:update in examples/

[github-actions]

There were failures in the examples workflow. This usually means a visual regression test has failed. Image diffs for visual tests can be downloaded as an artifact here. If there are no artifacts there's an error somewhere else in the examples workflow. If you have made intentional changes you can update the image snapshots by running yarn snapshots:update in examples/