Fix #4518: 🔨 Add accessibility props like role and aria-modal to the Calendar popup

[balajis-qb]

Closes #4518

Description

This PR addresses the accessibility-related issues in the calendar component by adding props like role and aria-modal to it.

Reference Link

Changes Made

• Updated CalendarContainer component with role="dialog" and aria-modal="true" props.
• Added the corresponding test cases.

[pullrequest]

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[pullrequest]

PullRequest Breakdown

Reviewable lines of change

+ 17
- 1

67% JavaScript (tests)
33% JavaScript

Type of change

Fix - These changes are likely to be fixing a bug or issue.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95.51%. Comparing base (89249a5) to head (ac6daba).
Report is 41 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4549      +/-   ##
==========================================
+ Coverage   95.45%   95.51%   +0.05%     
==========================================
  Files          29       29              
  Lines        2533     2566      +33     
  Branches     1039     1053      +14     
==========================================
+ Hits         2418     2451      +33     
  Misses        115      115              

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[pullrequest]

Nice work here. I don't have any concerns with these changes.

Graham C

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