Refactor make bucket and upload components (#5521)

browser/app/js/reducers.js

@@ -19,12 +19,14 @@ import browser from "./browser/reducer"
 import alert from "./alert/reducer"
 import buckets from "./buckets/reducer"
 import objects from "./objects/reducer"
+import uploads from "./uploads/reducer"
 
 const rootReducer = combineReducers({
   browser,
   alert,
   buckets,
-  objects
+  objects,
+  uploads
 })
 
 export default rootReducer