[new] resolves #1, increase margins for dropdown items based on comments

Author: ZhijieZhang

src/apis/setNotesPanelSort.js

@@ -9,5 +9,5 @@ export default store => newSort => {
     shouldRenderSeparator,
     getSeparatorContent
   };
-  store.dispatch(actions.setSortNotesBy(newSort.name));
+  store.dispatch(actions.setSortNotesBy(name));
 };

src/components/Dropdown/Dropdown.scss

@@ -39,7 +39,7 @@
       }
 
       .dropdown-item {
-        margin-bottom: 3px;
+        margin: 5px 0;
       }
     }