fix ps/exec command parameter error

Signed-off-by: Shukui Yang <yangshukui@huawei.com>

exec.go

@@ -95,6 +95,7 @@ following will output a list of processes running in the container:
 		}
 		return fmt.Errorf("exec failed: %v", err)
 	},
+	SkipArgReorder: true,
 }
 
 func execProcess(context *cli.Context) (int, error) {

ps.go

@@ -87,6 +87,7 @@ var psCommand = cli.Command{
 		}
 		return nil
 	},
+	SkipArgReorder: true,
 }
 
 func getPidIndex(title string) (int, error) {