This PR cleans up the custom icon with indicator implementation in favor
of `IconWithIndicator`, which we already had. It seems like it isn't
super used still, but it's good to try to enforce some consistency
either way. I checked my changes against the REPL stuff (one instance
where its used) and everything's looking good so far. As far as SSH,
nothing has visually changed; we just have less code for this thing now.
<img width="800" alt="Screenshot 2024-10-17 at 2 15 47 AM"
src="https://github.com/user-attachments/assets/5c146757-501e-4242-b145-a576a8f289b5">
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Release Notes:
- N/A