fix(driver): the user specified port that is in taos_connect API is active.

source/client/src/clientImpl.c

@@ -95,16 +95,16 @@ TAOS* taos_connect_internal(const char* ip, const char* user, const char* pass,
     if (initEpSetFromCfg(ip, NULL, &epSet) < 0) {
       return NULL;
     }
-
-    if (port) {
-      epSet.epSet.eps[0].port = port;
-    }
   } else {
     if (initEpSetFromCfg(tsFirst, tsSecond, &epSet) < 0) {
       return NULL;
     }
   }
 
+  if (port) {
+    epSet.epSet.eps[0].port = port;
+  }
+
   char*          key = getClusterKey(user, secretEncrypt, ip, port);
   SAppInstInfo** pInst = NULL;