fix(global): 🐛 change the coreicon more_horiz to clear_all which was …

…previouly given

the coreicon more_horiz to clear_all which was there previouly was been required is solved

Ref: #373

package/components/utils/NotificationPopOver.js

@@ -18,7 +18,7 @@ export default function NotificationPopOver() {
           <CoreTypographyBody1 styleClasses={[CoreClasses.MARGIN.MB0]}>Notifications</CoreTypographyBody1>
 
           <CoreIconButton disabled>
-            <CoreIcon>more_horiz</CoreIcon>
+            <CoreIcon>clear_all</CoreIcon>
           </CoreIconButton>
         </CoreBox>