### Godot version

4.1.beta.custom_build.824c139f6

### System information

EndeavourOs - Linux kernel 6.3.7-arch1-1

### Issue description

Pressing a button through an associated shortcut allow to ignore the button group attribute "allow_unpress".
Button can then be unpressed

The button properly stay pressed when you click on it, the issue seem to only come from "clicking it" with the shortcut

### Steps to reproduce

- Create multiple buttons linked with the same button group
- Associate a shortcut to each button
- Use the shortcut to "press" the already selected button

### Minimal reproduction project

[button_group_shortcut.zip](https://github.com/godotengine/godot/files/11745281/button_group_shortcut.zip)

switch (p_what) {
		case NOTIFICATION_MOUSE_ENTER: {
			status.hovering = true;
			queue_redraw();
		} break;
		case NOTIFICATION_MOUSE_EXIT: {
			status.hovering = false;
			queue_redraw();
		} break;
		case NOTIFICATION_DRAG_BEGIN:
		case NOTIFICATION_SCROLL_BEGIN: {
			if (status.press_attempt) {
				status.press_attempt = false;
				queue_redraw();
			}
		} break;
		case NOTIFICATION_FOCUS_ENTER: {
			queue_redraw();
		} break;
		case NOTIFICATION_FOCUS_EXIT: {
			if (status.press_attempt) {
				status.press_attempt = false;