fix: memory leak when activity is destroyed (#322)

Author: rishabhsinghbisht

pluto/lib/src/main/java/com/pluto/tool/modules/currentScreen/AppLifecycleListener.kt

@@ -25,7 +25,9 @@ internal class AppLifecycleListener(private val screenUpdateCallback: OnCurrentS
     override fun onActivityStarted(activity: Activity) {}
     override fun onActivityStopped(activity: Activity) {}
     override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {}
-    override fun onActivityDestroyed(activity: Activity) {}
+    override fun onActivityDestroyed(activity: Activity) {
+        fragmentLifecycleCallbacks.activity = null
+    }
 }
 
 private fun Activity.registerFragmentLifecycle(callback: FragmentManager.FragmentLifecycleCallbacks) {