Start jupyter notebooks even if notebook is not installed in currenv env

[DonJayamanne]

For #8951

Its possible notebook module is not installed in current interpreter.

• If this is the case do not use daemon to startnotebook
• Also change how we get list of notebooks running in getServerInfo.py

[DonJayamanne]

Because CI sucks

[codecov-io]

Codecov Report

Merging #8977 into master will increase coverage by <.01%.
The diff coverage is 59.09%.

@@            Coverage Diff             @@
##           master    #8977      +/-   ##
==========================================
+ Coverage   58.17%   58.17%   +<.01%     
==========================================
  Files         529      529              
  Lines       27729    27745      +16     
  Branches     4178     4181       +3     
==========================================
+ Hits        16132    16142      +10     
  Misses      10705    10705              
- Partials      892      898       +6

Impacted Files	Coverage Δ
src/client/datascience/jupyter/jupyterCommand.ts	69.23% <41.66%> (-4.69%)	⬇️
...lient/datascience/jupyter/kernels/kernelService.ts	57.31% <80%> (+1.9%)	⬆️
src/client/common/utils/version.ts	81.48% <0%> (ø)	⬆️
.../client/datascience/jupyter/jupyterConnectError.ts	75% <0%> (ø)	⬆️
src/client/datascience/cellFactory.ts	71.25% <0%> (ø)	⬆️
src/client/providers/providerUtilities.ts	88.88% <0%> (ø)	⬆️
src/client/constants.ts	80% <0%> (ø)	⬆️

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