adding check if the current client is the active one before doing get…

…MissingOnyxMessages requests

src/libs/actions/OnyxUpdateManager.ts

@@ -1,4 +1,5 @@
 import Onyx from 'react-native-onyx';
+import * as ActiveClientManager from '@libs/ActiveClientManager';
 import Log from '@libs/Log';
 import * as SequentialQueue from '@libs/Network/SequentialQueue';
 import CONST from '@src/CONST';
@@ -35,6 +36,12 @@ export default () => {
             if (!value) {
                 return;
             }
+            // This key is shared across clients, thus every client/tab will have a copy and try to execute this method.
+            // It is very important to only process the missing onyx updates from leader client otherwise requests we'll execute
+            // several duplicated requests that are not controlled by the SequentialQueue.
+            if (!ActiveClientManager.isClientTheLeader()) {
+                return;
+            }
 
             // Since we used the same key that used to store another object, let's confirm that the current object is
             // following the new format before we proceed. If it isn't, then let's clear the object in Onyx.