fix(snapshots): use default value for cmd line argument

Author: thetaPC

.github/workflows/actions/test-core-screenshot/action.yml

@@ -49,7 +49,7 @@ runs:
       # which is why we not using the upload-archive
       # composite step here.
       run: |
-        npm run test.e2e.docker.ci ${{ inputs.component }} -- --shard=${{ inputs.shard }}/${{ inputs.totalShards }} --update-snapshots
+        npm run test.e2e.docker.ci ${{ inputs.component }} -- --shard=${{ inputs.shard }}/${{ inputs.totalShards }} --update-snapshots='changed'
         git add src/\*.png --force
         mkdir updated-screenshots
         cd ../ && rsync -R --progress $(git diff --name-only --cached) core/updated-screenshots

core/package.json

@@ -93,13 +93,13 @@
     "test": "npm run test.spec && npm run test.e2e",
     "test.spec": "stencil test --spec --max-workers=2",
     "test.e2e": "npx playwright test",
-    "test.e2e.update-snapshots": "npm run test.e2e -- --update-snapshots",
+    "test.e2e.update-snapshots": "npm run test.e2e -- --update-snapshots='changed'",
     "test.watch": "jest --watch --no-cache",
     "test.treeshake": "node scripts/treeshaking.js dist/index.js",
     "validate": "npm run lint && npm run test && npm run build && npm run test.treeshake",
     "docker.build": "docker build -t ionic-playwright .",
     "test.e2e.docker": "npm run docker.build && node ./scripts/docker.mjs",
-    "test.e2e.docker.update-snapshots": "npm run test.e2e.docker -- --update-snapshots",
+    "test.e2e.docker.update-snapshots": "npm run test.e2e.docker -- --update-snapshots='changed'",
     "test.e2e.docker.ci": "npm run docker.build && CI=true node ./scripts/docker.mjs",
     "test.e2e.script": "node scripts/testing/e2e-script.mjs"
   },