Fetch settings only when ready

[jr]

2 problems working together:

1. Trying to fetch org settings at attempting-session instead of active-session.
2. Not bubbling up org settings fetch failures properly to RefreshTimer, so we wait 30s instead of 1s (with backoff) to fetch after a failure.

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Important

Fixes timing and error handling for fetching organization settings in SettingsService.ts.

• Behavior:
  • Change event listener in SettingsService to start RefreshTimer on active-session instead of attempting-session.
  • Modify fetchSettings() to return a boolean indicating success or failure, affecting backoff logic in RefreshTimer.
• Error Handling:
  • Ensure fetchSettings() returns false on failure to fetch or parse settings, improving retry logic.
• Misc:
  • Remove unused attempting-session event listener in SettingsService.

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