### Godot version

Godot 4 Beta 16

### System information

Ubuntu 22.04 Running on Vulkan Mesa Intel® UHD Graphics 620 (WHL GT2)

### Issue description


https://user-images.githubusercontent.com/63069499/215583979-e525a1fd-930f-4650-8e9f-3752100cdb72.mp4

Godot keeps clicking out of the color editor

EDIT: I did a test it seems to be single window mode

### Steps to reproduce

Go in editor settings and search for single window mode 

Enable it

Try using the color editor on any color field with single window mode

### Minimal reproduction project

N/A 
Atom target = targets[i];
					Atom &property = targets[i + 1];
					property = _process_selection_request_target(target, p_event->requestor, property, p_event->selection);
				}
				XChangeProperty(x11_display,
						p_event->requestor,
						p_event->property,
						atom_pair,
						32,
						PropModeReplace,
						(unsigned char *)targets,
						len);
				respond.xselection.property = p_event->property;
			}
			XFree(data);
		}
	} else {
		
		respond.xselection.property = _process_selection_request_target(p_event->target, p_event->requestor, p_event->property, p_event->selection);
	}
	respond.xselection.type = SelectionNotify;
	respond.xselection.display = p_event->display;
	respond.xselection.requestor = p_event->requestor;
	respond.xselection.selection = p_event->selection;
	respond.xselection.target = p_event->target;
	respond.xselection.time = p_event->time;
	XSendEvent(x11_display, p_event->requestor, True, NoEventMask, &respond);
	XFlush(x11_display);
}
int DisplayServerX11::_xim_preedit_start_callback(::XIM xim, ::XPointer client_data,