fix: make dnode sort stable

source/dnode/mnode/impl/src/mndVgroup.c

@@ -426,7 +426,11 @@ static int32_t mndCompareDnodeId(int32_t *dnode1Id, int32_t *dnode2Id) { return
 static int32_t mndCompareDnodeVnodes(SDnodeObj *pDnode1, SDnodeObj *pDnode2) {
   float d1Score = (float)pDnode1->numOfVnodes / pDnode1->numOfSupportVnodes;
   float d2Score = (float)pDnode2->numOfVnodes / pDnode2->numOfSupportVnodes;
-  return d1Score >= d2Score ? 1 : 0;
+  if (d1Score == d2Score) {
+    return pDnode2->id - pDnode1->id;
+  } else {
+    return d1Score >= d2Score ? 1 : 0;
+  }
 }
 
 void mndSortVnodeGid(SVgObj *pVgroup) {