Bug: Users: Admin is able to remove admin role from themselves via just click and get locked as well as simply remove all admins

[nadzeyav]

OS Information

• OS: Windows
• Browser (if applicable): Chrome
• Architecture:
• coder --version:
  Coder v0.0.0-devel+1361c13

Steps to Reproduce

1. Login as Admin user
2. Go to users
3. Expand Admin user roles dropdown and uncheck Member role and then Admin role

Expected

At least any notification about Are you sure, but maybe better will be not allow to unassign admins roles from themselves.

Actual

Admin user has no roles assigne at all, cannot fix this issue in current session and after is logged off even no error message is displayed at login

Logs

Screenshot

Admin.mp4

Notes

[misskniss]

Check that the toast for the error pops up correctly on the FE when this is fixed @Emyrk .

[f0ssel]

I think blocking self-role changing entirely is a good first step and if a case comes up where we need to support something we didn't think about we can add it later.

[Emyrk]

#1931