[ci] itai review fixes

Signed-off-by: Oriol Muñoz <oriol.munoz@digitalasset.com>

Author: OriolMunoz-da

.github/workflows/build.ts_cli_tests.yml

@@ -20,17 +20,18 @@ jobs:
           # Checkout the PR head commit to get the commit message first
           ref: ${{ github.event.pull_request.head.sha }}
 
-      - name: Check out repository code
-        uses: actions/checkout@v4
-        with:
-          ref: ${{ inputs.commit_sha }}
-
       - name: Check if static only
         uses: ./.github/actions/tests/skip_on_static
         id: skip
         with:
           gh_token: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: Check out repository code
+        uses: actions/checkout@v4
+        if: inputs.commit_sha != ''
+        with:
+          ref: ${{ inputs.commit_sha }}
+
       - name: Setup
         id: setup
         if: steps.skip.outputs.skip != 'true'

.github/workflows/build.ui_tests.yml

@@ -28,6 +28,7 @@ jobs:
 
       - name: Check out repository code
         uses: actions/checkout@v4
+        if: inputs.commit_sha != ''
         with:
           ref: ${{ inputs.commit_sha }}