### Godot version

v4.0.beta10.official [d0398f62f]

### System information

Windows 11

### Issue description

When hovering over the `MenuBar` items - the hover state activates only once (on first hover).

As demonstrated in this video - Debug menu toggles to hover visual style only once:


https://user-images.githubusercontent.com/433527/209774611-a3d6d80b-deb2-466b-b39d-bb480a5ade17.mp4

### Steps to reproduce

See video, try the same in Godot editor.

### Minimal reproduction project

N/A
if (rtl && has_theme_stylebox(SNAME("hover_pressed_mirrored"))) {
			style = theme_cache.hover_pressed_mirrored;
		} else {
			style = theme_cache.hover_pressed;
		}
		if (!flat) {
			style->draw(ci, item_rect);
		}
		if (has_theme_color(SNAME("font_hover_pressed_color"))) {
			color = theme_cache.font_hover_pressed_color;
		}
	} else if (pressed) {
		if (rtl && has_theme_stylebox(SNAME("pressed_mirrored"))) {
			style = theme_cache.pressed_mirrored;
		} else {
			style = theme_cache.pressed;
		}
		if (!flat) {
			style->draw(ci, item_rect);
		}
		if (has_theme_color(SNAME("font_pressed_color"))) {
			color = theme_cache.font_pressed_color;
		} else {
			color = theme_cache.font_color;
		}
	} else if (hovered) {
		if (rtl && has_theme_stylebox(SNAME("hover_mirrored"))) {
			style = theme_cache.hover_mirrored;
		} else {
			style = theme_cache.hover;