### Godot version

4.2.stable

### System information

Godot v4.2.stable - Windows 10.0.22621 - GLES3 (Compatibility) - Intel(R) Iris(R) Plus Graphics (Intel Corporation; 27.20.100.9621) - Intel(R) Core(TM) i7-1065G7 CPU @ 1.30GHz (8 Threads)

### Issue description

This warning gets spammed when scrolling any slider on the color picker of the editor using the mouse wheel.
The value of the slider gets affected nevertheless
```
scene/gui/control.cpp:2012 - This control can't grab focus. Use set_focus_mode() to allow a control to get focus.
```

### Steps to reproduce

For example having a script that exports a color
and scrolling the A slider in the Inspector
```
@export var color : Color
```
![image](https://github.com/godotengine/godot/assets/43796250/0447e952-a8b2-48ae-ac89-3ef248699b22)


### Minimal reproduction project

N/A
grabber_area->draw(ci, Rect2i(Point2i(0, (size.height - widget_height) / 2), Size2i(areasize * ratio + grabber->get_width() / 2 + grabber_shift, widget_height)));
				if (ticks > 1) {
					int grabber_offset = (grabber->get_width() / 2 - tick->get_width() / 2);
					for (int i = 0; i < ticks; i++) {
						if ((!ticks_on_borders) && ((i == 0) || ((i + 1) == ticks))) {
							continue;
						}
						int ofs = (i * areasize / (ticks - 1)) + grabber_offset + grabber_shift;
						tick->draw(ci, Point2i(ofs, (size.height - widget_height) / 2));
					}
				}
				grabber->draw(ci, Point2i(ratio * areasize + grabber_shift, size.height / 2 - grabber->get_height() / 2 + theme_cache.grabber_offset));
			}
		} break;
	}
}
void Slider::set_custom_step(double p_custom_step) {
	custom_step = p_custom_step;
}
double Slider::get_custom_step() const {
	return custom_step;
}
void Slider::set_ticks(int p_count) {
	if (ticks == p_count) {
		return;
	}
	ticks = p_count;
	queue_redraw();
}
int Slider::get_ticks() const {