fix glow activation/dpi bug

[punker76]

What changed?

• fix mouse activation bug if the MetroWindow uses a Glow
• fix resizing/cursor bug on higher DPI
• the glow can come on top if the main app has a second window and the user minimize and restore the main app again
• try fix this too: the window doesn't zoom in vertical height if the user double clicks on the top Glow

Closes #2577 Window Resizing Erroneously Acts Deferred
Closes #2279 Corner resize issues with GlowBrush enabled

[punker76]

@AdditionalPylons my first attempt for the activation resizing bug. the second bug was found by testing the first :-(

[davidzech]

@punker76 regarding e8843e0 should we also do the same for the bottom glow border as well?

[punker76]

@AdditionalPylons You're right, done 930f6b8 thx!