chore(ci): Fix double issue creation for unreferenced PRs (#18442)

This fixes a problem, where our unreferenced PR GH workflow would
trigger another new issue being created because of a race condition
between creating the issue and updating the PR description
automatically.

Author: Lms24

.github/workflows/create-issue-for-unreferenced-prs.yml

@@ -41,6 +41,14 @@ jobs:
               return;
             }
 
+            // Bail if this edit was made by the GitHub Actions bot (this workflow)
+            // This prevents infinite loops when we update the PR body with the new issue reference
+            // We check login specifically to not skip edits from other legitimate bots
+            if (context.payload.sender && context.payload.sender.login === 'github-actions[bot]') {
+              console.log(`PR #${pr.number} was edited by github-actions[bot] (this workflow), skipping.`);
+              return;
+            }
+
             // Check if the PR is already approved
             const reviewsResponse = await github.rest.pulls.listReviews({
               owner: context.repo.owner,
@@ -109,7 +117,7 @@ jobs:
             console.log(`Created issue #${issueID}.`);
 
             // Update the PR body to reference the new issue
-            const updatedPrBody = `${prBody}\n\nCloses #${issueID}`;
+            const updatedPrBody = `${prBody}\n\nCloses #${issueID} (added automatically)`;
 
             await github.rest.pulls.update({
               owner: context.repo.owner,