ci: OPTIC-2173: Run yarn3 - adding debug

Author: luarmr

.github/actions/setup-frontend-environment/action.yml

@@ -28,12 +28,15 @@ runs:
       run: |
         corepack enable
         corepack prepare yarn@${{ inputs.yarn-version }} --activate
+        corepack yarn --version
+        which yarn
+        ls -l $(which yarn)
 
     - name: Get yarn cache directory path
       id: yarn-cache-dir-path
       shell: bash
       run: |
-        dir=$(yarn config get cacheFolder --no-clipboard --no-color | tr -d '\n' | xargs)
+        dir=$(corepack yarn config get cacheFolder --no-clipboard --no-color | tr -d '\n' | xargs)
         echo "dir=$dir" >> $GITHUB_OUTPUT
 
     - name: Configure yarn cache
@@ -50,3 +53,14 @@ runs:
       working-directory: "${{ inputs.directory }}"
       shell: bash
       run: yarn install --immutable
+
+    - name: Debug Yarn version
+      shell: bash
+      run: yarn --version
+
+    - name: Debug PATH and corepack
+      shell: bash
+      run: |
+        echo $PATH
+        which yarn
+        corepack --version