### 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)

const Ref<TileSet> &tile_set = tile_map_node->get_tileset();
	if (!tile_set.is_valid()) {
		return RBSet<TerrainConstraint>();
	}
	
	RBSet<TerrainConstraint> output;
	output.insert(TerrainConstraint(tile_map_node, p_position, p_terrains_pattern.get_terrain()));
	for (uint32_t i = 0; i < TileSet::CELL_NEIGHBOR_MAX; i++) {
		TileSet::CellNeighbor side = TileSet::CellNeighbor(i);
		if (tile_set->is_valid_terrain_peering_bit(p_terrain_set, side)) {
			TerrainConstraint c = TerrainConstraint(tile_map_node, p_position, side, p_terrains_pattern.get_terrain_peering_bit(side));
			output.insert(c);
		}
	}
	return output;
}
RBSet<TerrainConstraint> TileMapLayer::_get_terrain_constraints_from_painted_cells_list(const RBSet<Vector2i> &p_painted, int p_terrain_set, bool p_ignore_empty_terrains) const {