fix: Reset browser context and state on close

Author: Samuel-StO

lib/helper/Playwright.js

@@ -1031,7 +1031,10 @@ class Playwright extends Helper {
     this.frame = null
     popupStore.clear()
     if (this.options.recordHar) await this.browserContext.close()
+    this.browserContext = null
     await this.browser.close()
+    this.browser = null
+    this.isRunning = false
   }
 
   async _evaluateHandeInContext(...args) {