fix: Updated md-list to be accessible in disable state(accessibility)

[iruchipriya]

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots:

Before (If applicable):

After:

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)
• [ ] Documentation update
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Other... Please describe:

Checklist:

• [ ] My code follows the code style of this project.
• [ ] My change requires a change to the documentation.
• [ ] I have updated the documentation accordingly.
• [ ] I have read the CONTRIBUTING document.
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

Vidcast - https://app.vidcast.io/share/9990f344-4912-45a4-98a4-89c9636bd0d3

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 94.55%. Comparing base (2f96d1b) to head (8c8e610).

:exclamation: Current head 8c8e610 differs from pull request most recent head 9b0e420. Consider uploading reports for the commit 9b0e420 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1612 +/- ## ========================================== + Coverage 94.35% 94.55% +0.19% ========================================== Files 134 134 Lines 19219 19222 +3 Branches 2971 2979 +8 ========================================== + Hits 18135 18175 +40 + Misses 1084 1047 -37 ```

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