fix:failed to edit repo

[neolynx]

return when the repo cant be found and err !=nil

Replaces #1093

Requirements

All new code should be covered with tests, documentation should be updated. CI should pass.

Description of the Change

Checklist

• [ ] unit-test added (if change is algorithm)
• [ ] functional test added/updated (if change is functional)
• [ ] man page updated (if applicable)
• [ ] bash completion updated (if applicable)
• [ ] documentation updated
• [ ] author name in AUTHORS

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 74.81%. Comparing base (8d09c20) to head (094d358). Report is 1 commits behind head on master.

Files	Patch %	Lines
api/repos.go	0.00%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1281      +/-   ##
==========================================
+ Coverage   74.79%   74.81%   +0.02%     
==========================================
  Files         144      144              
  Lines       16256    16248       -8     
==========================================
- Hits        12158    12156       -2     
+ Misses       3156     3152       -4     
+ Partials      942      940       -2     

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