fix(memory): Add protection against excessive patching

  This caused memory leaks in Jest JSDOM environment

Author: FreeleX

lib/common/utils.ts

@@ -239,7 +239,11 @@ export function patchProperty(obj: any, prop: string, prototype?: any) {
     return null;
   };
 
-  ObjectDefineProperty(obj, prop, desc);
+  if (!obj[zoneSymbol(`on` + prop + 'patched')]) {
+    obj[zoneSymbol(`on` + prop + 'patched')] = true;
+
+    ObjectDefineProperty(obj, prop, desc);
+  }
 }
 
 export function patchOnProperties(obj: any, properties: string[]|null, prototype?: any) {