enable connection types

[christianvogt]

Bring over last two changes related to connection types:

• enable connection types by default
• Fix workbench new connection env warning / editing new connection / and save failure handling

[sonarcloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 36.36364% with 7 lines in your changes missing coverage. Please review.

Please upload report for BASE (rhoai-2.16@8743ba6). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
...ens/spawner/connections/ConnectionsFormSection.tsx	36.36%	7 Missing ⚠️

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Additional details and impacted files

@@              Coverage Diff              @@
##             rhoai-2.16     #377   +/-   ##
=============================================
  Coverage              ?   85.66%           
=============================================
  Files                 ?     1347           
  Lines                 ?    30676           
  Branches              ?     8554           
=============================================
  Hits                  ?    26280           
  Misses                ?     4396           
  Partials              ?        0           

Files with missing lines	Coverage Δ
...ens/spawner/connections/ConnectionsFormSection.tsx	79.77% <36.36%> (ø)

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