[MM-56782][MM-56783] Fix two small visuals with the user reporting interface (#26150)

webapp/channels/src/components/admin_console/system_users/system_users_date_range_menu/system_users_date_range_menu.scss

@@ -6,7 +6,7 @@
     }
 }
 
-#dateRangeSelectorMenu {
+#systemUsersDateRangeSelectorMenu {
     .systemUsersDateRangeSelector__trailing-message {
         color: rgba(var(--center-channel-color-rgb), 0.56);
         opacity: 1;