### Godot version

4.0.2

### System information

Windows 10,Radeon RX 550/550 Series,23.3.2,Vulkan

### Issue description

After Switching to the animations tabs and pressing the key symbol because I wanted to know what it does, Godot crashes

### Steps to reproduce

Go into a project 
Switch to the Animations Tab, make sure no animation is active 
And then press on the key symbol

here is a video demonstrating the bug

https://user-images.githubusercontent.com/59411880/233839816-5489899e-828f-4ac9-9de3-7914f727f754.mp4



### Minimal reproduction project

The File
[package.zip](https://github.com/godotengine/godot/files/11303712/package.zip)

}
				for (CanvasItem *E : selitems) {
					editor_selection->add_node(E);
				}
			}
			_reset_drag();
			viewport->queue_redraw();
			return true;
		}
		if (b.is_valid() && b->is_pressed() && b->get_button_index() == MouseButton::RIGHT) {
			
			_reset_drag();
			viewport->queue_redraw();
			return true;
		}
		if (m.is_valid()) {
			
			box_selecting_to = transform.affine_inverse().xform(m->get_position());
			viewport->queue_redraw();
			return true;
		}
	}
	if (k.is_valid() && k->is_action_pressed(SNAME("ui_cancel"), false, true) && drag_type == DRAG_NONE && tool == TOOL_SELECT) {
		
		editor_selection->clear();
		viewport->queue_redraw();
	}
	return false;
}
bool CanvasItemEditor::_gui_input_ruler_tool(const Ref<InputEvent> &p_event) {