Translate main thread name in the editor instead of running project

core/debugger/remote_debugger.cpp

@@ -419,7 +419,7 @@ void RemoteDebugger::debug(bool p_can_continue, bool p_is_error_breakpoint) {
 	msg.push_back(error_str);
 	ERR_FAIL_NULL(script_lang);
 	msg.push_back(script_lang->debug_get_stack_level_count() > 0);
-	msg.push_back(Thread::get_caller_id() == Thread::get_main_id() ? String(RTR("Main Thread")) : itos(Thread::get_caller_id()));
+	msg.push_back(Thread::get_caller_id());
 	if (allow_focus_steal_fn) {
 		allow_focus_steal_fn();
 	}

editor/debugger/script_editor_debugger.cpp

@@ -329,8 +329,10 @@ void ScriptEditorDebugger::_parse_message(const String &p_msg, uint64_t p_thread
 	if (p_msg == "debug_enter") {
 		ERR_FAIL_COND(p_data.size() != 4);
 
+		const Thread::ID caller_id = p_data[3];
+
 		ThreadDebugged td;
-		td.name = p_data[3];
+		td.name = (caller_id == Thread::get_main_id()) ? TTR("Main Thread") : itos(caller_id);
 		td.error = p_data[1];
 		td.can_debug = p_data[0];
 		td.has_stackdump = p_data[2];
@@ -1917,6 +1919,7 @@ ScriptEditorDebugger::ScriptEditorDebugger() {
 		thread_hb->add_child(memnew(Label(TTR("Thread:"))));
 		threads = memnew(OptionButton);
 		thread_hb->add_child(threads);
+		threads->set_auto_translate_mode(AUTO_TRANSLATE_MODE_DISABLED);
 		threads->set_h_size_flags(SIZE_EXPAND_FILL);
 		threads->connect(SceneStringName(item_selected), callable_mp(this, &ScriptEditorDebugger::_select_thread));