* Improve Azure startup time and fix command palette
- Improvement (but not full fix) for #4732 where Azure startup is very slow.
This speeds the startup by up to 5 seconds by
- Changing from fixed 5 second initial wait time to a promise to check for accounts
- Using the accounts changed notification to send a message when accounts are ready. This is usually what will "win out" since Azure seems to load before the Account Providers are set up.
- Remove right-click actions from the command palette.
- Rename Azure actions so it's clear what they are in the command palette.
* Remove coveralls task while investigating how to make optional task
* Add void return type
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