Get eslint and Prettier to play nicely with each other

[brettcannon]

Along the way also fix any eslint errors that are encountered.

This gets us down to 108 errors via npx eslint --quiet --ext .ts,.tsx src.

[codecov-io]

Codecov Report

Merging #14927 (069a8b0) into main (de8e5f2) will decrease coverage by 0%.
The diff coverage is 29%.

@@          Coverage Diff           @@
##            main   #14927   +/-   ##
======================================
- Coverage     65%      65%   -1%     
======================================
  Files        554      554           
  Lines      26108    26116    +8     
  Branches    3704     3705    +1     
======================================
- Hits       17080    17073    -7     
- Misses      8338     8355   +17     
+ Partials     690      688    -2     

Impacted Files	Coverage Δ
src/client/activation/jedi/manager.ts	29% <0%> (-1%)	⬇️
.../application/webviewPanels/webviewPanelProvider.ts	43% <ø> (ø)
src/client/common/application/webviews/webview.ts	15% <0%> (-1%)	⬇️
...t/jupyter/languageserver/notebookConcatDocument.ts	7% <0%> (ø)
...client/jupyter/languageserver/notebookConverter.ts	1% <0%> (ø)
.../jupyter/languageserver/notebookMiddlewareAddon.ts	3% <0%> (-1%)	⬇️
...nments/discovery/locators/services/condaService.ts	83% <0%> (ø)
...rc/client/activation/jedi/multiplexingActivator.ts	17% <20%> (-1%)	⬇️
src/client/activation/jedi/languageServerProxy.ts	25% <50%> (ø)
...experiments/debuggerDataViewerExperimentEnabler.ts	42% <66%> (ø)
... and 8 more

[codecov-commenter]

Codecov Report

❌ Patch coverage is 29.06977% with 61 lines in your changes missing coverage. Please review.
✅ Project coverage is 65%. Comparing base (de8e5f2) to head (069a8b0).
⚠️ Report is 2675 commits behind head on main.

Files with missing lines	Patch %	Lines
...client/jupyter/languageserver/notebookConverter.ts	0%	23 Missing ⚠️
.../jupyter/languageserver/notebookMiddlewareAddon.ts	0%	11 Missing ⚠️
src/client/activation/jedi/manager.ts	0%	7 Missing ⚠️
src/client/common/application/webviews/webview.ts	0%	5 Missing ⚠️
...rc/client/activation/jedi/multiplexingActivator.ts	20%	4 Missing ⚠️
src/client/activation/jedi/languageServerProxy.ts	50%	2 Missing ⚠️
...experiments/debuggerDataViewerExperimentEnabler.ts	66%	2 Missing ⚠️
...t/jupyter/languageserver/notebookConcatDocument.ts	0%	2 Missing ⚠️
...nments/discovery/locators/services/condaService.ts	0%	1 Missing and 1 partial ⚠️
...covery/locators/services/windowsRegistryService.ts	81%	2 Missing ⚠️
... and 1 more

Additional details and impacted files

@@          Coverage Diff           @@
##            main   #14927   +/-   ##
======================================
- Coverage     65%      65%   -1%     
======================================
  Files        554      554           
  Lines      26108    26116    +8     
  Branches    3704     3705    +1     
======================================
- Hits       17080    17073    -7     
- Misses      8338     8355   +17     
+ Partials     690      688    -2     

Files with missing lines	Coverage Δ
.../application/webviewPanels/webviewPanelProvider.ts	43% <ø> (ø)
...overy/locators/services/cacheableLocatorService.ts	75% <100%> (ø)
src/client/tensorBoard/tensorBoardImportTracker.ts	88% <100%> (ø)
...nEnvironments/discovery/locators/services/conda.ts	92% <85%> (ø)
src/client/activation/jedi/languageServerProxy.ts	25% <50%> (ø)
...experiments/debuggerDataViewerExperimentEnabler.ts	42% <66%> (ø)
...t/jupyter/languageserver/notebookConcatDocument.ts	7% <0%> (ø)
...nments/discovery/locators/services/condaService.ts	83% <0%> (ø)
...covery/locators/services/windowsRegistryService.ts	88% <81%> (-1%)	⬇️
...rc/client/activation/jedi/multiplexingActivator.ts	17% <20%> (-1%)	⬇️
... and 4 more

... and 4 files with indirect coverage changes

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