fix: course assets state persistence bug (#2401)

src/files-and-videos/files-page/data/slice.js

@@ -59,6 +59,9 @@ const slice = createSlice({
           break;
       }
     },
+    clearAssetIds: (state) => {
+      state.assetIds = [];
+    },
     deleteAssetSuccess: (state, { payload }) => {
       state.assetIds = state.assetIds.filter(id => id !== payload.assetId);
     },
@@ -94,6 +97,7 @@ export const {
   clearErrors,
   updateEditStatus,
   updateDuplicateFiles,
+  clearAssetIds,
 } = slice.actions;
 
 export const {

src/files-and-videos/files-page/data/thunks.js

@@ -27,6 +27,7 @@ import {
   clearErrors,
   updateEditStatus,
   updateDuplicateFiles,
+  clearAssetIds,
 } from './slice';
 
 import { getUploadConflicts, updateFileValues } from './utils';
@@ -58,6 +59,7 @@ export function fetchAdditionalAssets(courseId, totalCount) {
 
 export function fetchAssets(courseId) {
   return async (dispatch) => {
+    dispatch(clearAssetIds());
     dispatch(updateLoadingStatus({ courseId, status: RequestStatus.IN_PROGRESS }));
 
     try {