feat(lsp): status bar message when downloading

[tomcat323]

Problem

https://taskei.amazon.dev/tasks/IDE-15760
Users want to know that language servers are downloading

Solution

Add a status bar message when LSP is downloading
Also added a developer command to reset LSP download for testing

Screen.Recording.2025-02-04.at.2.31.27.PM.mov

---

• Treat all work as PUBLIC. Private feature/x branches will not be squash-merged at release time.
• Your code changes must meet the guidelines in CONTRIBUTING.md.
• License: I confirm that my contribution is made under the terms of the Apache 2.0 license.

[github-actions]

• This pull request modifies code in src/* but no tests were added/updated.
  • Confirm whether tests should be added or ensure the PR description explains why tests are not required.
• This pull request implements a feat or fix, so it must include a changelog entry (unless the fix is for an unreleased feature). Review the changelog guidelines.
  • Note: beta or "experiment" features that have active users should announce fixes in the changelog.
  • If this is not a feature or fix, use an appropriate type from the title guidelines. For example, telemetry-only changes should use the telemetry type.

[jpinkney-aws]

Can we make these changes on the feature/amazonqLSP branch instead? I think the resolve() function in core/src/shared/lsp/lspResolver.ts could have this instead. That way you could log the language server name in addition to that its downloading