!7701 Fix non-termination of training when MI is disconnected

Merge pull request !7701 from Harshvardhan Gupta/fix-non-termination

mindspore/ccsrc/debug/debugger/debugger.cc

@@ -430,10 +430,12 @@ void Debugger::CommandLoop() {
         MS_LOG(ERROR) << "Failed to connect to MindInsight debugger server. Please check the config "
                          "of debugger host and port.";
         Exit();
-      }
+        run = true;
+      } else {
         MS_LOG(ERROR) << "Number of consecutive WaitForCommand fail:" << num_wait_fail << "; Retry after "
                       << num_wait_fail << "s";
         std::this_thread::sleep_for(std::chrono::milliseconds(1000 * num_wait_fail));
+      }
       continue;
     }