chore(Core): add Prefix to Command menu

Co-authored-by: banehammer <felixwuensch@outlook.com>
Co-authored-by: banehammer <87540548+banehammer@users.noreply.github.com>

src/server/game/Chat/Chat.cpp

@@ -528,9 +528,9 @@ bool ChatHandler::ShowHelpForSubCommands(std::vector<ChatCommand> const& table,
             continue;
 
         if (m_session)
-            list += "\n    ";
+            list += "\n |- ";
         else
-            list += "\n\r    ";
+            list += "\n\r |- ";
 
         list += table[i].Name;