arcctl cached runtimeconfig (Fixes BUGZ-3981)
Begin arcbot message
This merge request is automatically cherrypicked from !1569 (merged) from source branch https://source.coderefinery.org/andrii/arc/-/tree/bug-3981 orginally made by @andrii .
The original MR went to branch: https://source.coderefinery.org/nordugrid/arc/-/tree/next
End arcbot messagearcctl is now avoiding to write the cached runtimeconfig when custom config path is explicitly defined in the command line arguments.