Improving accessibility issues in Calendar widget

• Type: Bug
• Status: Verified
• Resolution: Unresolved
• Affects Version/s: 7.1.X, 7.2.X, 7.3.X, Master
• Fix Version/s: None
• Component/s: Alloy UI, Calendar
• Labels:
  • ee-ts
• Flagged:
  Impediment
• Fix Priority: 1

Steps to reproduce:

1. Login as admin
2. Create a new widget "test" page and add Calendar portlet
3. After adding 'Microsoft Accessibility Insights for Web' to Chrome (https://accessibilityinsights.io/docs/en/web/overview/), run the tool with FAST PASS assessment, and observe the results (checked with month, week, day, see attachments).

 Actual behavior:
The calendar has multiple accessibility issues(see attachments)

 Expected behavior:
The calendar portlet is without any accessibility issues.