feat(instance): use API to complete instance type per zone

[Codelax]

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Relates OR Closes #0000

Release note for CHANGELOG:

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 0% with 9 lines in your changes are missing coverage. Please review.

Project coverage is 73.10%. Comparing base (5bf53e0) to head (a553f83).
Report is 58 commits behind head on master.

Files	Patch %	Lines
internal/namespaces/instance/v1/helpers_types.go	0.00%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3823      +/-   ##
==========================================
- Coverage   75.45%   73.10%   -2.35%     
==========================================
  Files         202      280      +78     
  Lines       44323    49665    +5342     
==========================================
+ Hits        33444    36309    +2865     
- Misses       9653    11868    +2215     
- Partials     1226     1488     +262     

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