fix: fix dead lock.

source/dnode/vnode/src/meta/metaQuery.c

@@ -26,6 +26,7 @@ void _metaReaderInit(SMetaReader* pReader, void* pVnode, int32_t flags, SStoreMe
 void metaReaderInit(SMetaReader *pReader, SMeta *pMeta, int32_t flags) {
   memset(pReader, 0, sizeof(*pReader));
   pReader->pMeta = pMeta;
+  pReader->flags = flags;
   if (pReader->pMeta && !(flags & META_READER_NOLOCK)) {
     metaRLock(pMeta);
   }

source/dnode/vnode/src/vnd/vnodeInitApi.c

@@ -200,7 +200,6 @@ void initMetaReaderAPI(SStoreMetaReader* pMetaReader) {
   pMetaReader->clearReader = metaReaderClear;
 
   pMetaReader->getTableEntryByUid = metaReaderGetTableEntryByUid;
-  pMetaReader->clearReader = metaReaderClear;
 
   pMetaReader->getEntryGetUidCache = metaReaderGetTableEntryByUidCache;
   pMetaReader->getTableEntryByName = metaGetTableEntryByName;