Fixes #3875 Solved the issue with disabled buttons after deprecation of is-disabled class

[poswalsameer]

This is an improvement.

After the deprecation of the is-disabled class, the container div for the disabled buttons was empty, added the code file for disabled buttons as per the issue.

Proposed solution

This PR solves the issue of the deprecated is-disabled class. Added the code in the .HTML file for the buttons with the disabled attribute added as per the issue. Fixes #3875

Testing Done

None.

Changelog updated?

No.