filter users in selector based on search

public/app/features/users/state/selectors.ts

@@ -1,2 +1,9 @@
-export const getUsers = state => state.users;
+export const getUsers = state => {
+  const regex = new RegExp(state.searchQuery, 'i');
+
+  return state.users.filter(user => {
+    return regex.test(user.login) || regex.test(user.email);
+  });
+};
+
 export const getUsersSearchQuery = state => state.searchQuery;