### Godot version

v4.1.1.stable.official [bd6af8e0e]

### System information

Debian 12 i5 650 64 bits

### Issue description

When attempting to type accented characters in text fields or input areas in the Godot Engine, an error is displayed in the console with the message "Caller thread can't call this function in this node (/root). Use call_deferred() or call_thread_group() instead." Additionally, accented characters are not inserted correctly into the text.

**Expected Behavior:**

Accented characters should be inserted correctly into the text field without displaying errors in the console.

**Observed Behavior:**

When attempting to type accented characters, the following error message is displayed in the console:
`Caller thread can't call this function in this node (/root). Use call_deferred() or call_thread_group() instead.`

Accented characters are not inserted correctly into the text.



https://github.com/godotengine/godot/assets/87171245/769c0907-e489-4bf4-84ea-8dd0573ae9de



### Steps to reproduce

Open a project in the specified version of Godot Engine.
Open a text field or input area.
Try to type an accented character, such as "á" or "é."

### Minimal reproduction project

I believe it is not necessary, as it does not involve any interference from the project settings
m.window = xdnd_source_window;
					m.message_type = xdnd_finished;
					m.format = 32;
					m.data.l[0] = windows[window_id].x11_window;
					m.data.l[1] = 1;
					m.data.l[2] = xdnd_action_copy; 
					XSendEvent(x11_display, xdnd_source_window, False, NoEventMask, (XEvent *)&m);
				}
				break;
			case ClientMessage:
				if (ime_window_event) {
					break;
				}
				if ((unsigned int)event.xclient.data.l[0] == (unsigned int)wm_delete) {
					_send_window_event(windows[window_id], WINDOW_EVENT_CLOSE_REQUEST);
				}
				else if ((unsigned int)event.xclient.message_type == (unsigned int)xdnd_enter) {
					
					xdnd_version = (event.xclient.data.l[1] >> 24);
					Window source = event.xclient.data.l[0];
					bool more_than_3 = event.xclient.data.l[1] & 1;
					if (more_than_3) {
						Property p = _read_property(x11_display, source, XInternAtom(x11_display, "XdndTypeList", False));
						requested = pick_target_from_list(x11_display, (Atom *)p.data, p.nitems);
						XFree(p.data);
					} else {
						requested = pick_target_from_atoms(x11_display, event.xclient.data.l[2], event.xclient.data.l[3], event.xclient.data.l[4]);
					}
				} else if ((unsigned int)event.xclient.message_type == (unsigned int)xdnd_position) {