fix(storage): handle dedupe disabled in GetAllDedupeReposCandidates()

[eusebiu-constantin-petu-dbk]

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[codecov]

Codecov Report

Attention: Patch coverage is 60.00000% with 6 lines in your changes missing coverage. Please review.

Project coverage is 92.72%. Comparing base (002ff05) to head (debae38).
Report is 1 commits behind head on main.

Files	Patch %	Lines
pkg/api/routes.go	63.63%	2 Missing and 2 partials ⚠️
pkg/storage/imagestore/imagestore.go	0.00%	1 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2533      +/-   ##
==========================================
- Coverage   92.82%   92.72%   -0.10%     
==========================================
  Files         169      169              
  Lines       22304    22413     +109     
==========================================
+ Hits        20703    20783      +80     
- Misses        998     1016      +18     
- Partials      603      614      +11     

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