### Godot version

v4.2.rc2.official [1ba920fad]

### System information

Godot v4.2.rc2 - macOS 14.1.1 - Vulkan (Forward+) - integrated Apple M1 - Apple M1 (8 Threads)

### Issue description

Crash when trying to use "cell_quadrant_size".

The same project works without problems in 4.1.3

### Steps to reproduce

Open the attached project and run it, it'll crash. "Invalid get index"
![スクリーンショット 2023-11-27 16 35 07](https://github.com/godotengine/godot/assets/106015575/50d38ceb-0e6e-49bc-96dc-60abd1d2b6c0)

Here is what the same project looks like when launched from 4.1.3:
![image](https://github.com/godotengine/godot/assets/106015575/4e7e1f1a-ad5b-40ab-90ae-35130c803f09)

### Minimal reproduction project

[engage bug 03.zip](https://github.com/godotengine/godot/files/13471828/engage.bug.03.zip)

} else if (in_top_right_triangle) {
						ret += Vector2i(1, -1);
					}
					break;
				case TileSet::TILE_LAYOUT_DIAMOND_RIGHT:
					ret = Vector2(ret.x - ret.y / 2, ret.y / 2 + ret.x).floor();
					if (in_top_left_triangle) {
						ret += Vector2i(0, -1);
					} else if (in_top_right_triangle) {
						ret += Vector2i(1, 0);
					}
					break;
				case TileSet::TILE_LAYOUT_DIAMOND_DOWN:
					ret = Vector2(ret.x + ret.y / 2, ret.y / 2 - ret.x).floor();
					if (in_top_left_triangle) {
						ret += Vector2i(-1, 0);
					} else if (in_top_right_triangle) {
						ret += Vector2i(0, -1);
					}
					break;
			}
		} else { 
			
			Vector2 raw_pos = ret;
			if (Math::posmod(Math::floor(ret.x), 2) ^ (tile_layout == TileSet::TILE_LAYOUT_STACKED_OFFSET)) {
				ret = Vector2(Math::floor(ret.x), Math::floor(ret.y + 0.5) - 0.5);
			} else {
				ret = ret.floor();
			}