fix: fix tsc query memory leak

source/libs/nodes/src/nodesUtilFuncs.c

@@ -190,28 +190,20 @@ int32_t nodesReleaseAllocator(int64_t allocatorId) {
     return TSDB_CODE_SUCCESS;
   }
 
-  SNodeAllocator* pAllocator = taosAcquireRef(g_allocatorReqRefPool, allocatorId);
-  if (NULL == pAllocator) {
-    return terrno;
-  }
-
-  int32_t code = taosThreadMutexTryLock(&pAllocator->mutex);
-  if (EBUSY != code) {
+  if (NULL == g_pNodeAllocator) {
     nodesError("allocator id %" PRIx64
                " release failed: The nodesReleaseAllocator function needs to be called after the nodesAcquireAllocator "
                "function is called!",
                allocatorId);
-    if (0 == code) {
-      taosThreadMutexUnlock(&pAllocator->mutex);
-    }
     return TSDB_CODE_FAILED;
   }
-
+  SNodeAllocator* pAllocator = g_pNodeAllocator;
   g_pNodeAllocator = NULL;
   taosThreadMutexUnlock(&pAllocator->mutex);
   return taosReleaseRef(g_allocatorReqRefPool, allocatorId);
 }
 
+
 int64_t nodesMakeAllocatorWeakRef(int64_t allocatorId) {
   if (allocatorId <= 0) {
     return 0;