Fix snapping to respect rotation of bounding box

Fixes snapping behaviour which defaulted to X and Y axes.

editor/src/messages/tool/common_functionality/snapping/alignment_snapper.rs

@@ -74,7 +74,14 @@ impl AlignmentSnapper {
 					Quad::intersect_rays(target_point.document_point, DVec2::X, origin, direction),
 				]
 			} else {
-				[DVec2::new(point.document_point.x, target_position.y), DVec2::new(target_position.x, point.document_point.y)].map(Some)
+				let Some(quad) = target_point.quad else {
+					continue;
+				};
+				let quad = quad.0;
+				let edges = [quad[1] - quad[0], quad[3] - quad[0]];
+				edges
+					.map(|edge| edge.try_normalize().map(|edge| (point.document_point - target_position).project_onto(edge) + target_position))
+					.into()
 			};
 
 			let target_path = matches!(target_point.target, SnapTarget::Path(_));