### Godot version

v4.1.beta.custom_build [d3651ea45]

### System information

Windows 11

### Issue description

![1](https://github.com/godotengine/godot/assets/28705694/15c14c93-7ad7-425a-8fb0-bef841b75527)

It's not possible to start text selection on a SpinBox when it's unfocused.

Note: After a bit of digging in the code, I found that clicking on a SpintBox doesn't trigger `SpinBox::gui_input` no matter if it's focused or not. However, releasing mouse left button does trigger the function.

### Steps to reproduce

See the gif.

### Minimal reproduction project

It's simple to reproduce.
queue_redraw();
			}
		} break;
		case NOTIFICATION_DRAG_BEGIN: {
			drag_action = true;
		} break;
		case NOTIFICATION_DRAG_END: {
			if (is_drag_successful()) {
				if (selection.drag_attempt) {
					selection.drag_attempt = false;
					if (is_editable() && !Input::get_singleton()->is_key_pressed(Key::CTRL)) {
						selection_delete();
					} else if (deselect_on_focus_loss_enabled) {
						deselect();
					}
				}
			} else {
				selection.drag_attempt = false;
			}
			drag_action = false;
			drag_caret_force_displayed = false;
		} break;
	}
}
void LineEdit::copy_text() {
	if (selection.enabled && !pass) {
		DisplayServer::get_singleton()->clipboard_set(get_selected_text());
	}
}
void LineEdit::cut_text() {