GitHub: Fixed formatting workflow (#15114)

Author: heftymouse

.github/workflows/format-xaml.yml

@@ -7,20 +7,17 @@ jobs:
   format-xaml:
     if: github.event.issue.pull_request && github.event.comment.body == '/format'
     runs-on: ubuntu-latest
-    environment: Pull Requests
     defaults:
       run:
         shell: pwsh
 
     steps:
       - name: Generate GitHub Apps token
         id: generate
-        uses: tibdex/github-app-token@v1
+        uses: actions/create-github-app-token@v1
         with:
-          app_id: ${{ secrets.BOT_APP_ID }}
-
-          private_key: ${{ secrets.BOT_PRIVATE_KEY }}
-
+          app-id: ${{ secrets.BOT_APP_ID }}
+          private-key: ${{ secrets.BOT_PRIVATE_KEY }}
 
       - name: Create run condition variable
         run: |
@@ -43,6 +40,9 @@ jobs:
           
           # all steps after this one must have the env.CAN_RUN == 1 condition
 
+      - uses: actions/checkout@v4
+        if: env.CAN_RUN == 1
+
       - name: Set git identity
         if: env.CAN_RUN == 1
         run: |
@@ -56,10 +56,6 @@ jobs:
           git config --global user.name "$($data.login)"
           git config --global user.email "$($data.databaseId)+$($data.login)@users.noreply.github.com"
 
-
-      - uses: actions/checkout@v4
-        if: env.CAN_RUN == 1
-
       - name: Checkout PR
         if: env.CAN_RUN == 1
         run: gh pr checkout ${{ github.event.issue.number }} -b pr
@@ -86,8 +82,17 @@ jobs:
       - name: Commit formatted files
         if: env.CAN_RUN == 1
         run: |
-          git add .
-          git commit -m "Formatted XAML files"
+          git add --renormalize *.xaml
+          git status --porcelain
+          if ((git status --porcelain) -eq $null)
+          {
+            gh pr comment ${{ github.event.issue.number }} -b "No XAML files changed."
+            "CAN_RUN=0" | Out-File -FilePath $env:GITHUB_ENV -Append
+          }
+          else
+          {
+            git commit -m "Formatted XAML files"
+          }
 
       - name: Push to PR
         if: env.CAN_RUN == 1
@@ -113,14 +118,18 @@ jobs:
           }' -F owner=$owner -F name=$name -F number=$number --jq '{Branch: .data.repository.pullRequest.headRef.name, Url: .data.repository.pullRequest.headRepository.url}' | ConvertFrom-Json
           
           $url = [UriBuilder]($data.Url)
-          $url.UserName = 'Personal Access Token'
+          $url.UserName = 'x-access-token'
           $url.Password = '${{ steps.generate.outputs.token }}'
           git push $url.Uri.AbsoluteUri pr:$($data.Branch)
 
           if ($LASTEXITCODE -eq 0)
           {
             gh pr comment ${{ github.event.issue.number }} -b "Successfully formatted XAML files."
           }
+          else
+          {
+            "CAN_RUN=0" | Out-File -FilePath $env:GITHUB_ENV -Append
+          }
         continue-on-error: true
 
       - name: Comment if failed