### Godot version

4.1 dev2, 4.0.3

### System information

Windows 10, ryzen 5900x, radeon 6950xt (driver: 23.2.2)

### Issue description

There are two bugs:
- When I create a new node, it is created outside of the viewport. (as in first video)
- When I run the project, all the content inside the viewport dont appear. (as in second video)
I believe the second issue is related to the first.

Note: these problems are in RTL editors.

https://github.com/godotengine/godot/assets/121864036/84f0d434-0d1b-4c23-9fb0-510257e2e191


https://github.com/godotengine/godot/assets/121864036/b2bc20c7-1e2e-4d04-99e7-d66860ffced2




### Steps to reproduce

Videos explain.

### Minimal reproduction project

N/A
Rect2 parent_rect = get_parent_anchorable_rect();
	real_t edge_pos[4];
	for (int i = 0; i < 4; i++) {
		real_t area = parent_rect.size[i & 1];
		edge_pos[i] = data.offset[i] + (data.anchor[i] * area);
	}
	Point2 new_pos_cache = Point2(edge_pos[0], edge_pos[1]);
	Size2 new_size_cache = Point2(edge_pos[2], edge_pos[3]) - new_pos_cache;
	Size2 minimum_size = get_combined_minimum_size();
	if (minimum_size.width > new_size_cache.width) {
		if (data.h_grow == GROW_DIRECTION_BEGIN) {
			new_pos_cache.x += new_size_cache.width - minimum_size.width;
		} else if (data.h_grow == GROW_DIRECTION_BOTH) {
			new_pos_cache.x += 0.5 * (new_size_cache.width - minimum_size.width);
		}
		new_size_cache.width = minimum_size.width;
	}
	if (is_layout_rtl()) {
		new_pos_cache.x = parent_rect.size.x - new_pos_cache.x - new_size_cache.x;
	}
	if (minimum_size.height > new_size_cache.height) {
		if (data.v_grow == GROW_DIRECTION_BEGIN) {
			new_pos_cache.y += new_size_cache.height - minimum_size.height;
		} else if (data.v_grow == GROW_DIRECTION_BOTH) {
			new_pos_cache.y += 0.5 * (new_size_cache.height - minimum_size.height);
		}
		new_size_cache.height = minimum_size.height;