[SearchPanel] TVirtualGridList 사용 시 UI 깨던 현상 수정,

[SearchReducer]
actionTypes, searchActions 에 initPerformed 추가

com.twin.app.shoptime/src/reducers/searchReducer.js

@@ -4,6 +4,7 @@ const initialState = {
   searchDatas: {},
   totalCount: {},
   searchPerformed: false,
+  initPerformed: false,
 };
 
 export const searchReducer = (state = initialState, action) => {
@@ -29,6 +30,7 @@ export const searchReducer = (state = initialState, action) => {
         searchDatas: updatedSearchDatas,
         totalCount: updatedTotalCount,
         searchPerformed: true,
+        initPerformed: !action.append,
       };
     }
 
@@ -37,6 +39,12 @@ export const searchReducer = (state = initialState, action) => {
         ...initialState,
       };
 
+    case types.SET_SEARCH_INIT_PERFORMED:
+      return {
+        ...state,
+        initPerformed: action.payload,
+      };
+
     default:
       return state;
   }