fix(hooks): useIsMobile hook should be consistent with CSS media query behavior

[guscost]

Fixes #6123

Using the matches boolean on the media query change event produces better behavior at breakpoint boundaries, because for example window.innerWidth includes the scrollbar width, and comparing this does not always behave exactly like a CSS media query. There may also be the possibility of a race conditions due to a re-layout when checking window.innerWidth itself: https://gist.github.com/paulirish/5d52fb081b3570c81e3a

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