fix(live preview): promise.all missing in loop call

When the live preview is fetching the reference, it is getting the data
using the loop, it returns the data and then performs the operations.
Hence, we fixed the issue by introducing the promise.all to the loop.

Author: Deepak-Kharah

src/core/lib/utils.js

@@ -374,7 +374,7 @@ export function sendRequest(queryObject, options) {
                                                 options
                                             );
                                         } else {
-                                            _data.entries.forEach(async (entry) => {
+                                            await Promise.all(_data.entries.map(async (entry) => {
                                                 await updateLivePreviewReferenceEntry(
                                                     referencesToBeResolvedMap,
                                                     entry,
@@ -383,7 +383,7 @@ export function sendRequest(queryObject, options) {
                                                     options
 
                                                 );
-                                            })
+                                            }))
                                         }
 
                                     }