Revert "Update CmdHelper.cs"

This reverts commit 38059f2c35.

framework/src/Volo.Abp.Cli.Core/Volo/Abp/Cli/Utils/CmdHelper.cs

@@ -27,14 +27,19 @@ namespace Volo.Abp.Cli.Utils
             }
         }
 
+        public static string RunCmdAndGetOutput(string command)
+        {
+            return RunCmdAndGetOutput(command, out int _);
+        }
+
         public static string RunCmdAndGetOutput(string command, out bool isExitCodeSuccessful)
         {
-            var output = RunCmdAndGetOutput(command);
+            var output = RunCmdAndGetOutput(command, out int exitCode);
-            isExitCodeSuccessful = true;
+            isExitCodeSuccessful = exitCode == SuccessfulExitCode;
             return output;
         }
 
-        public static string RunCmdAndGetOutput(string command)
+        public static string RunCmdAndGetOutput(string command, out int exitCode)
         {
             string output;
 
@@ -60,6 +65,7 @@ namespace Volo.Abp.Cli.Utils
                     }
                 }
 
+                exitCode = process.ExitCode;
             }
 
             return output.Trim();