Move all E2E dependencies into its own folder, run from there (#3068)

* Move all E2E dependencies into its own folder, run from there

* Run flaky-tests from E2E folder

* This should work better

* Fix E2E test for Linux

* Fix for Windows, fix lint

.github/workflows/e2e-performance.yml

@@ -47,7 +47,7 @@ jobs:
         run: npm ci
 
       - name: E2E Performance Tests for Electron 🧪
-        run: ELECTRON_DISABLE_SANDBOX=1 xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- npm run test:e2e:performance
+        run: ELECTRON_DISABLE_SANDBOX=1 xvfb-run --auto-servernum --server-args="-screen 0 1280x960x24" -- cd e2e && npm run test:performance
 
       - name: Upload artifact to Github
         uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4.3.1