Skip snapping if alt key is pressed

src/index.tsx

@@ -970,7 +970,7 @@ class App extends React.Component<{}, AppState> {
                 elementAtPosition.y +
                 CANVAS_WINDOW_OFFSET_TOP +
                 elementAtPosition.height / 2;
-            } else {
+            } else if (!e.altKey) {
               // Element must be searched from the end
               // to pick element with the highest z-index
               const elementClickedInside = elements