test_docker: align container launch options with playwright-browsers

Mirrors the docker run flags used by playwright-browsers'
tests-docker.yml to test the hypothesis that running the suite
as root with --ipc=host is responsible for probabilistic
chrome-headless-shell SIGSEGV crashes on jammy.

Changes vs. previous:
  - drop --ipc=host
  - run as pwuser (not root), workdir /home/pwuser
  - explicit --platform linux/<arch>
  - copy repo via docker cp + chown (instead of bind mount at /root)
  - paths /root/playwright -> /home/pwuser/playwright
  - add workflow_dispatch trigger so the branch can be tested manually

Other workflows on this branch are disabled (renamed *.yml.disabled)
to avoid burning CI minutes on the experiment.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: yury-s

.github/workflows/publish_docker.yml …ub/workflows/publish_docker.yml.disabled.github/workflows/publish_docker.yml renamed to .github/workflows/publish_docker.yml.disabled .github/workflows/publish_docker.yml renamed to .github/workflows/publish_docker.yml.disabled

@@ -1,5 +1,6 @@
 name: Docker
 on:
+  workflow_dispatch:
   push:
     paths:
       - '.github/workflows/test_docker.yml'
@@ -36,16 +37,33 @@ jobs:
           bash utils/docker/build.sh --$ARCH ${{ matrix.flavor }} playwright-java:localbuild-${{ matrix.flavor }}
       - name: Start container
         run: |
-            CONTAINER_ID=$(docker run --rm -e CI -e PW_MAX_RETRIES --ipc=host -v "$(pwd)":/root/playwright --name playwright-docker-test -d -t playwright-java:localbuild-${{ matrix.flavor }} /bin/bash)
+            ARCH="${{ matrix.runs-on == 'ubuntu-24.04-arm' && 'arm64' || 'amd64' }}"
+            CONTAINER_ID=$(docker run \
+              --rm \
+              --name playwright-docker-test \
+              --platform linux/$ARCH \
+              --user=pwuser \
+              --workdir /home/pwuser \
+              -e CI \
+              -e PW_MAX_RETRIES \
+              -d -t \
+              playwright-java:localbuild-${{ matrix.flavor }} /bin/bash)
             echo "CONTAINER_ID=$CONTAINER_ID" >> $GITHUB_ENV
 
+      - name: Copy repository inside docker container
+        run: |
+            docker cp . "$CONTAINER_ID":/home/pwuser/playwright
+            docker exec --user root "$CONTAINER_ID" chown -R pwuser /home/pwuser/playwright
+            docker exec --user root --workdir /home/pwuser/playwright "$CONTAINER_ID" \
+              git config --global --add safe.directory /home/pwuser/playwright
+
       - name: Run test in container
         run: |
-            docker exec "$CONTAINER_ID" /root/playwright/tools/test-local-installation/create_project_and_run_tests.sh
+            docker exec "$CONTAINER_ID" /home/pwuser/playwright/tools/test-local-installation/create_project_and_run_tests.sh
 
       - name: Test ClassLoader
         run: |
-            docker exec "${CONTAINER_ID}" /root/playwright/tools/test-spring-boot-starter/package_and_run_async_test.sh
+            docker exec "${CONTAINER_ID}" /home/pwuser/playwright/tools/test-spring-boot-starter/package_and_run_async_test.sh
 
       - name: Stop container
         run: |