Better segment clicking (#10321)

* better segment clicking on motion segments

* move handlebar on click when handlebar is showing

* only scroll handlebar if needed

web/src/hooks/use-handle-dragging.ts

@@ -130,6 +130,7 @@ function useDraggableHandler({
               scrollIntoView(thumb, {
                 block: "center",
                 behavior: "smooth",
+                scrollMode: "if-needed",
               });
             }
           }