Show modal error when remote jupyter connect fails

[DonJayamanne]

For #8474

Should unblock users in remote, even those who forget to swtich back from remote to local

[codecov-commenter]

Codecov Report

Merging #8476 (01edd6b) into main (74ca817) will increase coverage by 0%.
The diff coverage is 54%.

❗ Current head 01edd6b differs from pull request most recent head d4728b2. Consider uploading reports for the commit d4728b2 to get more accurate results

@@          Coverage Diff          @@
##            main   #8476   +/-   ##
=====================================
  Coverage     71%     71%           
=====================================
  Files        377     377           
  Lines      23913   23934   +21     
  Branches    3679    3682    +3     
=====================================
+ Hits       17200   17216   +16     
+ Misses      5253    5215   -38     
- Partials    1460    1503   +43     

Impacted Files	Coverage Δ
src/client/datascience/jupyter/serverSelector.ts	73% <ø> (ø)
src/client/telemetry/index.ts	63% <ø> (ø)
.../datascience/notebook/notebookControllerManager.ts	72% <42%> (-2%)	⬇️
src/client/common/utils/localize.ts	95% <100%> (+<1%)	⬆️
...ience/interactive-common/notebookServerProvider.ts	74% <100%> (-5%)	⬇️
...ence/editor-integration/cellHashProviderFactory.ts	97% <0%> (-3%)	⬇️
...lient/datascience/jupyter/kernels/cellExecution.ts	73% <0%> (-1%)	⬇️
src/client/common/configuration/service.ts	82% <0%> (ø)
src/client/datascience/jupyter/jupyterUtils.ts	65% <0%> (ø)
... and 12 more