Fix Playwright hanging - always stop browser in _afterSuite

- Previously only stopped browser when restart strategies were enabled
- This left browser running in session mode (restart:false)
- Browser processes would prevent Node.js from exiting
- Now always stops browser after suite completes regardless of restart mode

Author: kobenguyent

lib/helper/Playwright.js

@@ -791,8 +791,10 @@ class Playwright extends Helper {
   }
 
   async _afterSuite() {
-    // Only stop browser if restart strategy requires it
-    if ((restartsSession() || restartsContext() || restartsBrowser()) && this.isRunning) {
+    // Stop browser after suite completes
+    // For restart strategies: stop after each suite
+    // For session mode (restart:false): stop after the last suite
+    if (this.isRunning) {
       try {
         await this._stopBrowser()
       } catch (e) {