fix(memory): reduce memory leaks in Jest JSDOM environment

lib/common/utils.ts

@@ -158,6 +158,11 @@ export function patchProperty(obj: any, prop: string, prototype?: any) {
  return;
  }
 
+ const onPropPatchedSymbol = zoneSymbol('on' + prop + 'patched');
+ if (obj.hasOwnProperty(onPropPatchedSymbol) && obj[onPropPatchedSymbol]) {
+ return;
+ }
+
  // A property descriptor cannot have getter/setter and be writable
  // deleting the writable and value properties avoids this error:
  //
@@ -240,6 +245,8 @@ export function patchProperty(obj: any, prop: string, prototype?: any) {
  };
 
  ObjectDefineProperty(obj, prop, desc);
+
+ obj[onPropPatchedSymbol] = true;
 }
 
 export function patchOnProperties(obj: any, properties: string[]|null, prototype?: any) {