fix(actions): set CI environment variables in macOS notarization workflow to streamline DMG creation process

.gitea/workflows/test-macos-build.yml

@@ -195,6 +195,14 @@ jobs:
           fi
           brew install create-dmg
         shell: bash
+
+      # Set CI environment variables
+      - name: Set CI Environment Variables
+        run: |
+          echo "Setting CI environment variables"
+          echo "CI=true" >> $GITHUB_ENV
+          echo "GITEA_ACTIONS=true" >> $GITHUB_ENV
+        shell: bash
                         
       # Create custom DMG with installer script
       - name: Create Custom DMG with Installer
@@ -202,16 +210,9 @@ jobs:
         run: |
           echo "🔧 Creating custom DMG with installer script..."
           
-          # Set CI environment variables
-          export CI=true
-          export GITEA_ACTIONS=true
-          
           # Ensure app is in the expected location after notarization
           APP_PATH="${{ env.APP_PATH }}"
           
-          # Direct DMG creation approach for CI
-          echo "Creating DMG directly with hdiutil for CI environment..."
-          
           # Setup directories
           mkdir -p "./PackagedReleases/Install"
           rm -rf "./PackagedReleases/Install/*" 2>/dev/null || true