[Security Solution][Exceptions] - Add pagination icon (elastic#131979)

Addresses elastic#106212

Very minor UX inconsistency where the checkmark was not shown in exceptions pagination as it is in other paginated views. Now checkmark appears.

x-pack/plugins/security_solution/public/common/components/exceptions/viewer/exceptions_pagination.tsx

@@ -53,8 +53,8 @@ const ExceptionsViewerPaginationComponent = ({
   const items = useMemo((): ReactElement[] => {
     return pagination.pageSizeOptions.map((rows) => (
       <EuiContextMenuItem
+        icon={rows === pagination.pageSize ? 'check' : 'empty'}
         key={rows}
-        icon="empty"
         onClick={() => {
           onPaginationChange({
             pagination: {