Fix asserts after RDB load with FLASH

Author: JohnSully

Diff for: src/db.cpp

@@ -2989,6 +2989,7 @@ void redisDbPersistentData::processChangesAsync(std::atomic<int> &pendingJobs)
     dict *dictNew = dictCreate(&dbDictType, nullptr);
     std::swap(dictNew, m_pdict);
     m_cnewKeysPending = 0;
+    m_numexpires = 0;
     g_pserver->asyncworkqueue->AddWorkFunction([dictNew, this, &pendingJobs]{
         dictIterator *di = dictGetIterator(dictNew);
         dictEntry *de;

Diff for: src/rdb.cpp

@@ -2865,6 +2865,12 @@ class rdbAsyncWorkThread
 
     size_t endWork() {
         if (!fLaunched) {
+            for (int idb = 0; idb < cserver.dbnum; ++idb) {
+                if (g_pserver->m_pstorageFactory) {
+                    g_pserver->db[idb]->processChangesAsync(cstorageWritesInFlight);
+                }
+            }
+            while (cstorageWritesInFlight > 0);
             return ckeysLoaded;
         }
         if (!vecbatch.empty()) {