### Godot version

4.2.dev [6588a4a]

### System information

N/A

### Issue description

While using `Button`s and when setting `text_overrun_behavior` to anything that adds ellipsis, they are drawn completely ignoring the outline values of the text. `Label` is able to do it correctly:

![image](https://github.com/godotengine/godot/assets/30739239/5154c841-479e-478b-aaa5-7b2e61876bed)

### Steps to reproduce

Create a `Button` and set `text_overrun_behavior` to anything that has ellipsis in it.

### Minimal reproduction project

N/A, trivially reproducible.
static uint8_t chars[] = { 0x7E, 0x30, 0x6D, 0x79, 0x33, 0x5B, 0x5F, 0x70, 0x7F, 0x7B, 0x77, 0x1F, 0x4E, 0x3D, 0x4F, 0x47, 0x00 };
	uint8_t x = chars[p_index];
	if (x & (1 << 6)) {
		RenderingServer::get_singleton()->canvas_item_add_rect(p_canvas, Rect2(p_pos, Size2(3, 1) * p_size), p_color);
	}
	if (x & (1 << 5)) {
		RenderingServer::get_singleton()->canvas_item_add_rect(p_canvas, Rect2(p_pos + Point2(2, 0) * p_size, Size2(1, 3) * p_size), p_color);
	}
	if (x & (1 << 4)) {
		RenderingServer::get_singleton()->canvas_item_add_rect(p_canvas, Rect2(p_pos + Point2(2, 2) * p_size, Size2(1, 3) * p_size), p_color);
	}
	if (x & (1 << 3)) {
		RenderingServer::get_singleton()->canvas_item_add_rect(p_canvas, Rect2(p_pos + Point2(0, 4) * p_size, Size2(3, 1) * p_size), p_color);
	}
	if (x & (1 << 2)) {
		RenderingServer::get_singleton()->canvas_item_add_rect(p_canvas, Rect2(p_pos + Point2(0, 2) * p_size, Size2(1, 3) * p_size), p_color);
	}
	if (x & (1 << 1)) {
		RenderingServer::get_singleton()->canvas_item_add_rect(p_canvas, Rect2(p_pos, Size2(1, 3) * p_size), p_color);
	}
	if (x & (1 << 0)) {
		RenderingServer::get_singleton()->canvas_item_add_rect(p_canvas, Rect2(p_pos + Point2(0, 2) * p_size, Size2(3, 1) * p_size), p_color);
	}
}
void TextServer::draw_hex_code_box(const RID &p_canvas, int64_t p_size, const Vector2 &p_pos, int64_t p_index, const Color &p_color) const {