[infra] Switch 'add closing message' to reusable workflow

.github/workflows/closed-issue-message.yaml

@@ -1,4 +1,4 @@
-name: Add comment
+name: Add closing message to issue
 
 on:
   issues:
@@ -9,30 +9,9 @@ permissions: {}
 
 jobs:
   add-comment:
-    env:
-      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      GH_REPO: ${{ github.repository }}
-      NUMBER: ${{ github.event.issue.number }}
-      BODY: |
-        :warning: **This issue has been closed.** If you have a similar problem but not exactly the same, please open a [new issue](https://github.com/mui/mui-x/issues/new/choose).
-        Now, if you have additional information related to this issue or things that could help future readers, feel free to leave a comment.
-      APPENDIX: |
-
-        @${{ github.event.issue.user.login }}: How did we do? Your experience with our support team matters to us. If you have a moment, please share your thoughts in this short [Support Satisfaction survey](https://tally.so/r/w4r5Mk?issue=${{ github.event.issue.number }}&productId=x).
-
-    if: github.event.issue.state_reason != 'inactivity'
-    runs-on: ubuntu-latest
+    name: Add closing message
+    if: github.event.issue.state_reason == 'completed'
+    uses: mui/mui-public/.github/workflows/issues_add-closing-message.yml@master
     permissions:
+      contents: read
       issues: write
-    steps:
-      - uses: actions-cool/check-user-permission@956b2e73cdfe3bcb819bb7225e490cb3b18fd76e
-        id: checkUser
-        with:
-          require: 'write'
-          username: ${{ github.event.issue.user.login }}
-      - name: Add comment for outside contributors
-        if: steps.checkUser.outputs.check-result == false
-        run: gh issue comment "$NUMBER" --body "$BODY $APPENDIX"
-      - name: Add comment for maintainers
-        if: steps.checkUser.outputs.check-result == true
-        run: gh issue comment "$NUMBER" --body "$BODY"