Don't force line to be seen as modified if file was renamed, use the diff data

Author: prymitive

docs/changelog.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## v0.74.6
+
+### Fixed
+
+- Fixed a bug in GitLab integration causing some problems fail to create comments when files were renamed and modified.
+
 ## v0.74.5
 
 ### Fixed

internal/reporter/gitlab.go

@@ -446,15 +446,11 @@ func reportToGitLabDiscussion(pending PendingComment, diffs []*gitlab.MergeReque
 		},
 	}
 
-	var renamed bool
 	for _, diff := range pathDiffs {
 		d.Position.OldPath = gitlab.Ptr(diff.OldPath)
 		if d.Position.NewPath == nil {
 			d.Position.NewPath = gitlab.Ptr(diff.NewPath)
 		}
-		if diff.OldPath != diff.NewPath {
-			renamed = true
-		}
 
 		// Diff is empty, decide if it was modified based on git history.
 		if diff.Diff == "" {
@@ -492,9 +488,6 @@ func reportToGitLabDiscussion(pending PendingComment, diffs []*gitlab.MergeReque
 			d.Position.NewLine = gitlab.Ptr(dl.new)
 		}
 	}
-	if renamed {
-		d.Position.OldLine = nil
-	}
 
 	return &d
 }