[Feature Request]: Display different UI for users who are already in the group while trying to add members

[bj-jiwrajka]

Is there an existing issue for this?

• [X] I have searched the existing issues

Feature Description

The members who are already present in a group chat should be shown disabled when trying to add new members to the group. Currently, there is no difference in the UI for the members currently present in the group and the ones who are not.

Record

• [X] I agree to follow this project's Code of Conduct
• [X] I want to work on this issue
• [X] I'm willing to provide further clarification or assistance if needed.

[Sibam-Paul]

@bj-jiwrajka Go ahead and work I will assign the tags and try to update ur branch as there will be some changes due to some mistakes in PRs of other contributors

[Sibam-Paul]

@bj-jiwrajka ok checking