Adding alerted scene to stashes.

assets/js/ui/mutations.js

@@ -2,6 +2,10 @@ function setNotifications(state, notifications) {
 	state.notifications = notifications;
 }
 
+function setUnseenNotificationsCount(state, count) {
+	state.unseenNotificationsCount = count;
+}
+
 function setTagFilter(state, tagFilter) {
 	state.tagFilter = tagFilter;
 }
@@ -24,6 +28,7 @@ function setTheme(state, theme) {
 
 export default {
 	setNotifications,
+	setUnseenNotificationsCount,
 	setTagFilter,
 	setRange,
 	setBatch,