Accessibility fix for remove user access

[galupa]

Hi, This PR should enable keyboard user (user that visually impaired) to remove user access from the Share Room Access modal. By using tabs key, the user will be able to get to x remove shared user.

Description

It is just a small changes and all changes are on share room access modal:

1. (room.js) Change x (remove shared user) from to , so that it can be accessible using keyboards and have enter key and space key action by default
2. (locales) add remove_user so for aria-label, so screen reader can read it.

Testing Steps

To test it:

1. Go to shared room access modal
2. If there is no user, add a user
3. User (you) should be able to remove the user that just added by using only keyboard, using tabs and enter / space key.

Screenshots (if appropriate):

Not much changes, but if you look closely the x button is select able by keyboard now

[sonarqubecloud[bot]]

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[farhatahmad]

I'm seeing weird padding/margin around the button - can you take a look at it?

[galupa]

Thank you @farhatahmad for reviewing this, I will check the codes based on your comments

[sonarqubecloud[bot]]

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0.6% Duplication

[galupa]

Sorry I have been a bit busy last week, but I have fix the UI issue for this PR, please check again when you have time @farhatahmad

[sonarqubecloud[bot]]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
0 Code Smells

No Coverage information
0.4% Duplication