High priority keyboard control accessibility issues

[peterychang]

Reference spreadsheet: https://microsoft.sharepoint.com/:x:/t/AIRAccessibilityMetrics/EUKpsd8MzCJNmjkEegC3Y7sBTkiccRpyb21CUVIGXFNM4w?e=Q85tsc&CID=32e3a4f7-b13e-3241-96bd-e728ef558053

Issues:

• (2) Hash control is not accessible using keyboard.
• (4) Focus gets lost after activating 'Copy' button.
• (5) Focus indicator is not visible on 'Checker' and 'Modifier' section.
• (10) At 200% resize, keyboard focus is moving out of from ‘hamburger’ dialog without closing it.
• (11) Keyboard focus is not landing back to triggered ‘Search’ control after closing the search box field using ‘Esc’ key.
• (19) Tooltip appearing on 'Copy' icon is not appearing with keyboard.
• (26) At 200% zoom, keyboard focus moves to the hidden contents after 'Next Quickstart' control present on the page.
• (27) At 320 x 256 settings, keyboard focus moves to the hidden contents after 'Next Quickstart' control present on the page.
• (29) Focus indicator is not visible on the 2nd card.
• (35) Keyboard focus order is not logical after activating copy control.
• (43) Visual search is not accessible by using keyboard.
• (45) Picture-in-picture pop up is not accessible keyboard.