fix(material/sidenav): ignore escape events while overlay is open #30706
+60
−13
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The sidenav isn't an overlay so it doesn't participate in the common event handling. This means that if there's an overlay in it that closes by pressing escape, the sidenav will close instead of the overlay.
These changes add a check that will skip escape key presses while there are open overlays.
Fixes #30507.