### Godot version

v4.1.beta3.mono.official [ada712e06]

### System information

Godot v4.1.beta3.mono - Windows 10.0.19045 - Vulkan (Forward+) - dedicated NVIDIA GeForce GTX 1660 Ti with Max-Q Design (NVIDIA; 31.0.15.3179) - Intel(R) Core(TM) i7-9750H CPU @ 2.60GHz (12 Threads)

### Issue description

Vertical scrollbar can't be clicked and dragged in exported property dropdown selection. When you hover over a scrollbar it will light up, but can't be clicked and dragged like other scrollbars.

### Steps to reproduce

Export a property that has a lot of options to select like `[Export] Resource resource;`
In the inspector open property selection dropdown then try to click and drag vertical scrollbar.

https://github.com/godotengine/godot/assets/8630984/60d8f85b-c72a-46b9-bcf7-1f28e680111a



### Minimal reproduction project

NA
const Variant *args[3] = { &v_result, &v_files, &v_index };
				p_callback.callp(args, 3, ret, ce);
				if (ce.error != Callable::CallError::CALL_OK) {
					ERR_PRINT(vformat("Failed to execute file dialogs callback: %s.", Variant::get_callable_error_text(p_callback, args, 3, ce)));
				}
			}
		} else {
			if (!p_callback.is_null()) {
				Variant v_result = false;
				Variant v_files = Vector<String>();
				Variant v_index = index;
				Variant ret;
				Callable::CallError ce;
				const Variant *args[3] = { &v_result, &v_files, &v_index };
				p_callback.callp(args, 3, ret, ce);
				if (ce.error != Callable::CallError::CALL_OK) {
					ERR_PRINT(vformat("Failed to execute file dialogs callback: %s.", Variant::get_callable_error_text(p_callback, args, 3, ce)));
				}
			}
		}
		pfd->Release();
		if (prev_focus != INVALID_WINDOW_ID) {
			callable_mp(DisplayServer::get_singleton(), &DisplayServer::window_move_to_foreground).call_deferred(prev_focus);
		}
		return OK;
	} else {
		return ERR_CANT_OPEN;
	}
}
void DisplayServerWindows::mouse_set_mode(MouseMode p_mode) {