Enhance "select a workspace" message when selecting interpreter

[kondratyev-nv]

For #8103

• Pull request represents a single change (i.e. not fixing disparate/unrelated things in a single PR)
• Title summarizes what is changing
• Has a news entry file (remember to thank yourself!)
• Appropriate comments and documentation strings in the code
• Has sufficient logging.
• Has telemetry for enhancements.
• Unit tests & system/integration tests are added/updated
• Test plan is updated as appropriate
• package-lock.json has been regenerated by running npm install (if dependencies have changed)
• The wiki is updated with any design decisions/details.

[codecov-io]

Codecov Report

Merging #8299 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master    #8299   +/-   ##
=======================================
  Coverage   59.33%   59.33%           
=======================================
  Files         504      504           
  Lines       23096    23096           
  Branches     3737     3737           
=======================================
  Hits        13704    13704           
  Misses       8500     8500           
  Partials      892      892

Impacted Files	Coverage Δ
...t/interpreter/configuration/interpreterSelector.ts	65.57% <100%> (ø)	⬆️

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[kondratyev-nv]

@kimadeline It looks like a trivial change, can we consider adding the skip news label?

[kimadeline]

Hi @kondratyev-nv, since this PR refers to an existing issue please add a news file, even though it's an easy change. It helps us track changes and build the changelog.

Also, please merge master into your branch for the failing CI steps to pass.

Thank you for your contribution!