bug(CI): Fixes the playwright install in the base image used for functional tests.

Because:
- Playwright tests weren't running

This Commit:
- Switches from to an npx install to setup the playwright browsers

.circleci/config.yml

@@ -411,6 +411,15 @@ jobs:
     steps:
       - git-checkout
       - provision
+      - run:
+          name: Ensure playwright install
+          # The base install script always skips playwright browser installs in an attempt
+          # to be more efficient. When the lockfile has drifted, we may need to install
+          # playwright again in order to ensure the expected browser version is present. If
+          # the expected version is present, this should be pretty fast. If it is not it will
+          # take a moment to install the browsers.
+          command: |
+            if ! cmp --silent yarn.lock yarn.lock.base; then npx playwright install; fi;
       - run:
           name: Add localhost
           command: |
@@ -556,12 +565,6 @@ workflows:
           executor:
             name: docker-build-executor
             image: cimg/node:16.13-browsers
-          filters:
-            branches:
-              only:
-                - main
-            tags:
-              ignore: /.*/
 
       - build-and-deploy-storybooks:
           requires:

_dev/docker/ci-browsers/Dockerfile

@@ -5,14 +5,12 @@ FROM cimg/node:16.13-browsers
 
 ENV FXA_AUTO_INSTALL=0
 
-# Install playwright browsers
-# One of the biggest culprits of slow install times is playwright since it downloads browser binaries
-RUN yarn global add playwright; \
-    rm -rf /home/circleci/.cache/ms-playwright/webkit*; \
-    rm -rf /home/circleci/.cache/ms-playwright/chromium*;
-
 # Copy over the installed browsers
 COPY --chown=circleci:circleci ./install /usr/local/bin/.
 
 # Copy over the source from the ci-base-latest tag.
 COPY --chown=circleci:circleci --from=0 /home/circleci/project .
+
+# Install playwright browsers
+# One of the biggest culprits of slow install times is playwright since it downloads browser binaries
+RUN npx playwright install firefox;