Fix for _PushStatus Stuck 'running' when Count is Off (#4319)

* Fix for _PushStatus stuck 'running' if count is off

* use 'count' for batches

* push worker test fix

src/Push/PushQueue.js

@@ -40,7 +40,7 @@ export class PushQueue {
       if (!results || count == 0) {
         return Promise.reject({error: 'PushController: no results in query'})
       }
-      pushStatus.setRunning(count);
+      pushStatus.setRunning(Math.ceil(count / limit));
       let skip = 0;
       while (skip < count) {
         const query = { where,