Refactoring

src/redux/reducers/download_reducer.js

@@ -25,10 +25,9 @@ export const downloadReducer = createReducer({
   [SET_DOWNLOAD_BEGIN]: (state, action) => {
     return {
       ...state,
+      ...defaultDownloadState,
       DownloadActive: true,
       DownloadName: action.payload.name,
-      DownloadProgress: 0.0,
-      DownloadResult: null,
       DownloadType: action.payload.type,
       DownloadURL: action.payload.url,
     }