Add version detection for CC (#36502)

- Render a helpful message when the installed CC version is too old
- Show the full path for agent binaries when the version is not recent
enough (helps in cases where multiple binaries are installed in
different places)
- Add UI for the case where a server binary is not installed at all
- Refresh thread view after installing/updating server binary

Release Notes:

- N/A

Cargo.lock

@@ -285,6 +285,7 @@ dependencies = [
  "project",
  "rand 0.8.5",
  "schemars",
+ "semver",
  "serde",
  "serde_json",
  "settings",