Added ability to manually enter a path to interpreter in the select interpreter dropdown

[karrtikr]

For #216

• 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.

[kimadeline]

Same comments as Karthik above

[codecov-io]

Codecov Report

Merging #11227 into master will decrease coverage by 1.39%.
The diff coverage is 79.88%.

@@            Coverage Diff             @@
##           master   #11227      +/-   ##
==========================================
- Coverage   61.45%   60.05%   -1.40%     
==========================================
  Files         596      616      +20     
  Lines       32874    37365    +4491     
  Branches     4659     5614     +955     
==========================================
+ Hits        20203    22441    +2238     
- Misses      11654    14329    +2675     
+ Partials     1017      595     -422     

Impacted Files	Coverage Δ
src/client/interpreter/configuration/types.ts	100.00% <ø> (ø)
...erpreterSelector/commands/setShebangInterpreter.ts	28.57% <28.57%> (ø)
src/client/common/utils/multiStepInput.ts	70.53% <42.85%> (-1.85%)	⬇️
...uration/interpreterSelector/interpreterSelector.ts	85.18% <85.18%> (ø)
...n/interpreterSelector/commands/resetInterpreter.ts	88.23% <88.23%> (ø)
...configuration/interpreterSelector/commands/base.ts	91.30% <91.30%> (ø)
...ion/interpreterSelector/commands/setInterpreter.ts	94.44% <94.44%> (ø)
src/client/common/utils/localize.ts	95.48% <100.00%> (+0.18%)	⬆️
src/client/interpreter/serviceRegistry.ts	100.00% <100.00%> (ø)
.../datascience/jupyter/interpreter/jupyterCommand.ts	40.24% <0.00%> (-14.93%)	⬇️
... and 207 more

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[DonJayamanne]

Would like to see the InterpreterStateArgs moved out into corresponding file as its not used anywhere else.

...

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!

0 Bugs
0 Vulnerabilities (and 0 Security Hotspots to review)
3 Code Smells

No Coverage information
0.0% Duplication

[karthiknadig]

This PR has passed PR validation https://dev.azure.com/ms/vscode-python/_build/results?buildId=75832&view=results for some reason git is not updating