feat(role): add icons for roles

[Joltras]

Proposed changes

The pull request adds the usage of custom role icons for the tablist and chat.

Types of changes

What types of changes does your code introduce to this project?
Put an x in the boxes that apply

• Bugfix (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 not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

Put an x in the boxes that apply. You can also fill these out after creating the PR. If you're unsure about any of
them, don't hesitate to ask. We're here to help! This is simply a reminder of what we are going to look for before
merging your code.

• I have read the CONTRIBUTING.md
• I have added tests that prove my fix is effective or that my feature works
• I have added necessary documentation (if appropriate)

[github-actions]

Test results

  369 files    369 suites   2m 48s ⏱️
  630 tests   624 ✅  6 💤 0 ❌
1 893 runs  1 875 ✅ 18 💤 0 ❌

Results for commit 05f4e89.