Update change detection outputs and conditions for build and test steps

- Updated the output name in the workflow file related to change detection.
- Adjusted conditions in the build and test steps to use the updated output from change detection.

.github/workflows/main.yaml

@@ -13,7 +13,7 @@ jobs:
     permissions:
       pull-requests: read
     outputs:
-      src_changed: ${{ steps.src_changed.outputs.src }}
+      change_detection_src: ${{ steps.change_detection.outputs.src }}
     steps:
 
       - name: checkout
@@ -22,7 +22,7 @@ jobs:
           fetch-depth: 0
 
       - name: tools - detect changes
-        id: src_changed
+        id: change_detection
         uses: dorny/paths-filter@v3
         with:
           base: ${{ github.ref }}
@@ -37,22 +37,22 @@ jobs:
               - 'playground/**'
 
       - name: build 
-        if: steps.src_changed.outputs.changes == 'true'
+        if: ${{ steps.change_detection.outputs.changes == 'true' }}
         uses: ./.github/actions/build
         with:
           configuration: Debug
           useVersioning: false
 
       - name: test 
-        if: steps.src_changed.outputs.changes == 'true'
+        if:  ${{ steps.change_detection.outputs.changes == 'true' }}
         uses: ./.github/actions/test
 
   cd:
     name: CD
     runs-on: ubuntu-latest
     needs: ci
     if: >
-      needs.ci.outputs.src_changed == 'true' &&
+      needs.ci.outputs.change_detection_src == 'true' &&
       github.event.workflow_run.conclusion == 'success' && 
       github.event.workflow_run.event == 'push' &&
       (github.ref == 'refs/heads/main' ||