Ignore card move in the same lane

client/src/store/sagas/kanboards.js

@@ -10,6 +10,8 @@ export function* moveCardSaga(action) {
     toPosition,
   } = action;
 
+  if (fromLaneID === toLaneID) return;
+
   const { board, kanboard} = yield select(state => {
     return {
       kanboard:  state.kanboards.byID[boardID],