Always display dunder variables when using new language server

[DonJayamanne]

Fixes #2013

This pull request:

• Has a title summarizes what is changing
• Includes a news entry file (remember to thank yourself!)

[codecov]

Codecov Report

Merging #2033 into master will decrease coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2033      +/-   ##
==========================================
- Coverage   75.02%   75.02%   -0.01%     
==========================================
  Files         307      307              
  Lines       14060    14060              
  Branches     2493     2493              
==========================================
- Hits        10549    10548       -1     
- Misses       3374     3375       +1     
  Partials      137      137

Impacted Files	Coverage Δ
src/client/linters/lintingEngine.ts	90.26% <0%> (-0.89%)	⬇️
...rc/client/debugger/PythonProcessCallbackHandler.ts	53.61% <0%> (ø)	⬆️

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