fix(offline-helpers): Preserve order of elements in update cache operation type (#325)

Author: KarthikMAM

packages/aws-appsync/src/helpers/offline.ts

@@ -152,9 +152,11 @@ export const getUpdater = <T>(opType: CacheOperationTypes, idField = 'id'): (arr
 
     switch (opType) {
         case CacheOperationTypes.ADD:
-        case CacheOperationTypes.UPDATE:
             updater = (arr, newItem) => !newItem ? [...arr] : [...arr.filter(item => item[idField] !== newItem[idField]), newItem];
             break;
+        case CacheOperationTypes.UPDATE:
+            updater = (arr, newItem) => !newItem ? [...arr] : arr.map(item => item[idField] === newItem[idField] ? newItem : item);
+            break;
         case CacheOperationTypes.REMOVE:
             updater = (arr, newItem) => !newItem ? [] : arr.filter(item => item[idField] !== newItem[idField]);
             break;