Devfile Registries list need not contain Default Devfile Registry.

[rgrunber]

• When the Devfile Registries list contains other registries, it should be permitted to remove the Default Devfile Registry

• Replace usage of https.get(..) with fetch

• Need to test this more thoroughly

• I can probably adjust

  vscode-openshift-tools/src/openshift/cluster.ts

  Line 671 in 0ceadd9

  https.get(`${url}/api`, options, (response) => {

  as well

[vrubezhny]

• Replace usage of https.get(..) with fetch

Some time ago we'd refused using fetch because it was bringing incompatibilities between make-fetch-happen versions brought by vscode itself and the extensions and their dependencies that bring their own fetch version.

See: #4233

Also, AFAIR, the fetch version used by vscode wasn't providing AbortController support, and this was yet another reason we'd got rid of using it.

[rgrunber]

make-fetch-happen was removed right after that, at #4247 . Is this still an issue ?

[vrubezhny]

make-fetch-happen was removed right after that, at #4247 . Is this still an issue ?

Nope, but you're trying to bring it back with your PR

[rgrunber]

Ok, I've gone with just switching between http/https.

[codecov]

Codecov Report

❌ Patch coverage is 76.92308% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 44.62%. Comparing base (da60441) to head (b14f74f).
⚠️ Report is 1324 commits behind head on main.

Files with missing lines	Patch %	Lines
src/openshift/cluster.ts	50.00%	3 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #5361       +/-   ##
===========================================
+ Coverage   32.37%   44.62%   +12.25%     
===========================================
  Files          85      100       +15     
  Lines        6505     8831     +2326     
  Branches     1349     1949      +600     
===========================================
+ Hits         2106     3941     +1835     
- Misses       4399     4890      +491     

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