DTOSS-10667 Fix the workflow attempt to deploy review apps when merged

Author: mrlockstar

.github/workflows/cicd-2-main-branch.yaml

@@ -85,6 +85,6 @@ jobs:
       id-token: write
     uses: ./.github/workflows/stage-4-deploy.yaml
     with:
-      environments: '["review","dev"]'
+      environments: '["dev"]'
       commit_sha: ${{ github.sha }}
     secrets: inherit

.github/workflows/stage-4-deploy.yaml

@@ -38,6 +38,7 @@ jobs:
           subscription-id: ${{ secrets.AZURE_SUBSCRIPTION_ID }}
 
       - name: Call deployment pipeline
+        if: ${{ inputs.pr_number && inputs.pr_number != '' }}
         run: |
           echo "Starting Azure devops pipeline \"Deploy to Azure - ${{ matrix.environment }}\"..."
           RUN_ID=$(az pipelines run \