### Godot version

4.0.dev (d0398f62f0)

### System information

Windows 10

### Issue description

`PlaceholderTexture2D::size` property is registered as a `Vector2I`: https://github.com/godotengine/godot/blob/0daa86d70e7338506c37bee6b6e0c4aba7255d68/scene/resources/texture.cpp#L3389  
It should be a `Vector2`, as setter method use a `Vector2` and so parent class getter method.

### Steps to reproduce

N/A

### Minimal reproduction project

N/A
if (atlas.is_valid()) {
		return atlas->get_rid();
	}
	return RID();
}
bool AtlasTexture::has_alpha() const {
	if (atlas.is_valid()) {
		return atlas->has_alpha();
	}
	return false;
}
void AtlasTexture::set_atlas(const Ref<Texture2D> &p_atlas) {
	ERR_FAIL_COND(p_atlas == this);
	if (atlas == p_atlas) {
		return;
	}
	
	if (Ref<AtlasTexture>(atlas).is_valid()) {
		atlas->disconnect(CoreStringNames::get_singleton()->changed, callable_mp((Resource *)this, &AtlasTexture::emit_changed));
	}
	atlas = p_atlas;
	if (Ref<AtlasTexture>(atlas).is_valid()) {
		atlas->connect(CoreStringNames::get_singleton()->changed, callable_mp((Resource *)this, &AtlasTexture::emit_changed));
	}
	emit_changed();
}
Ref<Texture2D> AtlasTexture::get_atlas() const {