hotfix v1.1 - null args in help command

Author: worthant

lab5/src/commandManagers/commands/Help.java

@@ -37,8 +37,8 @@ public void execute() {
             manager.getCommandMap().forEach((name, command) -> System.out.println(name + " : " + command.getDescr()));
         else {
             var command = manager.getCommandMap().get(this.getArgument());
-            this.setArgument(null);
             System.out.println(this.getArgument() + " : " + Optional.ofNullable(command).map(Command::getDescr).orElse("This command is not found in manager"));
+            this.setArgument(null);
         }
     }