feat: try to dispose states on unmount

Signed-off-by: bcakmakoglu <78412429+bcakmakoglu@users.noreply.github.com>

src/composables/useHandle.ts

@@ -166,4 +166,9 @@ export default (store: FlowStore = useVueFlow().store) =>
 
     doc.addEventListener('mousemove', onMouseMove as EventListenerOrEventListenerObject)
     doc.addEventListener('mouseup', onMouseUp as EventListenerOrEventListenerObject)
+
+    onScopeDispose(() => {
+      doc.removeEventListener('mousemove', onMouseMove as EventListenerOrEventListenerObject)
+      doc.removeEventListener('mouseup', onMouseUp as EventListenerOrEventListenerObject)
+    })
   }