[Accessibility] Discovery short-term issues

[cjcenizal]

Let's try to address these issues for 6.0.0.

• Datepicker days don't respond to "enter" keypress [Accessibility] Datepicker days don't respond to "enter" keypress #12343
• Can't tab through Discover links Accessibility: Can't tab through Discover links #11541
• Discover field chooser skips heading levels Accessibility: Discover field chooser skips heading levels #11851
• We need alt text on the time range / refresh buttons Accessibility: We need alt text on the time range / refresh buttons #11528
• Discover field chooser labels and controls need for and id attributes Accessibility: Discover field chooser labels and controls need for and id attributes #11852
• Discover table sort buttons aren't keyboard-accessible Accessibility: Discover table sort buttons aren't keyboard-accessible #11853
• Discover table column buttons aren't keyboard accessible Accessibility: Discover table column buttons aren't keyboard accessible #12230
• Discover table header shouldn't contain empty header cells Accessibility: Discover table header shouldn't contain empty header cells #11854
• Remove infinite scrolling from Discover table Accessibility: Remove infinite scrolling from Discover table #11855
• Replace Discovery's role="main" with a proper element Accessibility: Replace Discovery's role="main" with a proper <main> element #12632
• Date picker buttons missing screen reader friendly attributes Accessibility: Date picker buttons missing screen reader friendly attributes #12634
• Magnifying Glass Icons in Discovery Field Chooser Missing screen reader text Accessibility: Magnifying Glass Icons in Discovery Field Chooser Missing screen reader text #12635
• Buttons in time series bar chart and tabular display missing screen reader attributes Accessibility: Buttons in time series bar chart and tabular display missing screen reader attributes #12636
• Time series resolution dropdown not operable via keyboard navigation Accessibility: Time series resolution dropdown not operable via keyboard navigation #12637
• Show field settings button accessibility can be improved Accessibility: Show field settings button accessibility can be improved #12638
• Active filter controls not accessible via keyboard navigation Accessibility: Active filter controls not accessible via keyboard navigation #12639
• Active filter actions not accessible via keyboard navigation Accessibility: Active filter actions not accessible via keyboard navigation #12640
• Discussion required around how Discovery needs unique page title Accessibility: Discussion required around how Discovery needs unique page title #12641
• Search box needs role="search" attribute Accessibility: Search box needs role="search" attribute #12642
• Remove redundant gridcell role Aceessibility: Remove redundant gridcell role #12673
• Invalid ARIA attributes in Discover "no results" prompt [Accessibility] Invalid ARIA attributes in Discover "no results" prompt #12970

[cjcenizal]

CC @weltenwort @lukasolson @Bargs

[timroes]

Everything in Phase 1 (until 6.0) is closed. If you have any more findings, please add them to the Phase 2 ticket (#13554).

[cjcenizal]

@timroes Any reason to keep this open?