Clicking on Account Preferences could open view to configure account if account not set

[aiday-mar]

Testing #229420

• I have installed all of the extensions in the TPI
• I tried clicking on the gear icon for the extensions listed in the TPI, then Account Preferences
• Except for Github Copilot, Github Copilot Chat and Remote Tunnels extensions, a quick pick does not appear asking me to choose an account. I tried with: Github Pull Requests, Github Repositories, Live Share, Github Codespaces.
• I initially thought this could be an issue with the extensions, but since this happens for all of them I suppose a quick pick does not appear because I don't have an account associated to these extensions, I didn't authenticate directly into an account for these extensions specifically and a default can not be set over nothing.
• If my assumption is correct and this is the reason why the quick pick does not show, I guess I would find it useful if the Account Preferences button opens a view where I can authenticate to an account with the given extension. This account would be set as the default.

[TylerLeonhardt]

It seems like the ones that have "has not used this account" expose this behavior.

[TylerLeonhardt]

Steps to verify:

• Be logged in to something
• Install an extension like Live Share but don't log in to it
• Account Menu -> Some GitHub Account -> Manage Trusted Extensions
• Find an extension that "has not used this account"
• click the gear

It should show you a quick pick to choose accounts your logged in to