fix: Assorted new docs fixes from testing (#8875)
* fix modal so it always appears over mobile header and fix dropzone width
* add title font size resizing behavior to s2 docs
* dont use useResizeObserver because we want to catch fonts changing
* fix mobile header icon and library label
* fix cross page anchor navigation scrolling and mobile cross page navigation scroll positioning
* properly close mobile header menu when clicking on component card
* making image coordinator example wrap to new row instead of squishing the images at small screen sizes
* set a minwidth large enough so disallowEmptySelection have its label wrap
* properly reobserve the new page post-navigation so the page nav picker updates during scroll on mobile
this is because the page doesnt actually remount, we reuse the existing component tree
* remove broken title resizer code and fix rebase
* restore styles
* fix internationalized logo
* add 404 page
* forgot to remove test code
* hide error page from search
* update S2 popover example
* update icon in example
---------
Co-authored-by: Reid Barber <reid@reidbarber.com>