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

[zFernand0]

Changelog Updates:

This PR attempts to:

• Provide a consistent UX for prompting and updating credentials across extenders
• Provide an example on how to use the exposed promptCredentials
• Fix Expose API for extenders to log in when credentials are missing/expired #1228
• Deprecate:
  • ProfilesCache#this.getLoadedProfConfig in favor of its static version ProfilesCache.getLoadedProfConfig.
  • ProfilesCache#this.getProfileLoaded in favor of its static version ProfilesCache.getProfileLoaded.
  • ProfilesCache#this.getProfileFromConfig in favor of its static version ProfilesCache.getProfileFromConfig.
  • shared/ui-views#UIViews.inputBox in favor of ZoweVsCodeExtension.inputBox (added in this PR)

Notes

• The user and password vscode.InputBoxOptions are completely optional.
  • The ZoweVsCodeExtension APIs will default to use the English language when asking for creds.
• The promptCredentials will not refresh any views after updating the v1 or v2 profiles.
  • Extenderes will have to decide how much needs refreshed after updating the profiles.

Types of changes

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Put an x in the boxes that apply

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Updates to Documentation or Tests (if none of the other choices apply)

Checklist

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• I have read the CONTRIBUTOR GUIDANCE wiki
• PR title follows Conventional Commits Guidelines
• PR Description is included
• gif or screenshot is included if visual changes are made
• yarn workspace vscode-extension-for-zowe vscode:prepublish has been executed
• All checks have passed (DCO, Jenkins and Code Coverage)
• I have added unit test and it is passing
• I have added integration test and it is passing
• There is coverage for the code that I have added
• I have tested it manually and there are no regressions found
• I have added necessary documentation (if appropriate)
• Any PR dependencies have been merged and published (if appropriate)

Additional Context

This PR depends on:

• Update creds imperative#748
• Update creds zowe-cli#1344

[JeffinSiby]

LGTM 👍 As an extender, I was able to enter credentials into the input boxes and the secure credentials array was added to the correct profile with the newly input values without any errors.