[next] Enhance all ProfilesCache methods to work with TeamConfig

[zFernand0]

Is your feature request related to a problem? Please describe.

Some methods in the ProfilesCache seem to only work with v1 profiles whenever they are present. (e.g. loadNamedProfile, getProfiles)

Describe the solution you'd like

I'd like to be able to use all ProfilsCache methods regardless of whether my environment is using v1 or v2 profiles.

Describe alternatives you've considered

Using the ProfileInfo APIs directly

Additional context

This came out of some testing and discussion in:

• feat(prompt-creds): Expose promptCredentials for extenders to use #1699

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