Playwright docker improvements (#33213)

* Clean up playwright-common Dockerfile

* Speed up element-web docker build

* Wire up element-desktop playwright tests via nx

* Better debug logs for Element Desktop playwright in CI

* Iterate

* Iterate

* Fix element-desktop screenshot docker

* @electron/fuses

* Partial revert

apps/web/Dockerfile.dockerignore

@@ -23,6 +23,8 @@ apps/web/webpack-stats.json
 apps/web/playwright/
 apps/web/webapp/
 apps/web/debian/
+apps/desktop
+!apps/desktop/package.json
 
 packages/shared-components/__vis__/
 packages/shared-components/storybook-static/

apps/web/project.json

@@ -60,7 +60,7 @@
             "dependsOn": ["^build:playwright"]
         },
         "test:playwright:screenshots": {
-            "command": "playwright-screenshots nx test:playwright --update-snapshots --project=Chrome --grep @screenshot",
+            "command": "playwright-screenshots nx test:playwright -- --update-snapshots --project=Chrome --grep @screenshot",
             "options": { "cwd": "apps/web" },
             "dependsOn": ["^build:playwright"]
         }