MM-30852 Add ellipses to text overflow in system console users list

[anurag6713]

Summary

Excessively long first and last names push member link nearly off right side of user list. This PR horizontal scroll and adds ellipses to text.

Ticket Link

https://mattermost.atlassian.net/browse/MM-30852

Screenshots

[anurag6713]

/update-branch

[calebroseland]

LGTM ✓

(UI-wise, the vertical alignment is (was already) a bit off, and the '...' is a slightly different color, but these might be better taken up in a separate ticket)

[furqanmlk]

/update-branch

[furqanmlk]

When First and Last name is longer,
User ID: is missing on User Card

[furqanmlk]

Updated the Jira ticket

https://mattermost.atlassian.net/browse/MM-30852

[angeloskyratzakos]

Hey all, I will remove the tag Setup Cloud Test Server for maintenance reasons. Feel free to re-add it when you need it. Thank you

[mm-cloud-bot]

Test server destroyed

[mattermost-build]

This PR has been automatically labelled "stale" because it hasn't had recent activity.
A core team member will check in on the status of the PR to help with questions.
Thank you for your contribution!

[mm-cloud-bot]

@anurag6713: Adding the "do-not-merge/release-note-label-needed" label because no release-note block was detected, please follow our release note process to remove it.

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[lieut-data]

Heads up that as part of our efforts to move to a monorepo, we're closing out a number of older pull requests like this one to help streamline the effort.

If you'd like to preserve these changes -- even if you're not the original author! -- feel free to resubmit the pull request against the monorepo once it's ready. You can subscribe to mattermost-server-issue-22420 for status updates on this effort.