chore(notifications): update strings

cosmic-applet-notifications/i18n/en/cosmic_applet_notifications.ftl

@@ -1,14 +1,15 @@
 hours-ago = { NUMBER($duration) -> 
-    [1] 1 Hour Ago
-    *[other] {$duration} Hours Ago
+    [1] 1 hour ago
+    *[other] {$duration} hours ago
 }
 minutes-ago = { NUMBER($duration) -> 
-    [1] 1 Minute Ago
-    *[other] {$duration} Minutes Ago
+    [1] 1 minute ago
+    *[other] {$duration} minutes ago
 }
-show-less = Show Less
-show-more = Show {$more} More
-clear-all = Clear All Notifications
+show-less = Show less
+show-more = Show {$more} more
+clear-group = Clear group
+clear-all = Clear all notifications
 do-not-disturb = Do Not Disturb
-notification-settings = Notification Settings...
-no-notifications = No Notifications
+notification-settings = Notification settings...
+no-notifications = No notifications

cosmic-applet-notifications/i18n/sr-Cyrl/cosmic_applet_notifications.ftl

@@ -8,6 +8,7 @@ minutes-ago = { NUMBER($duration) ->
 }
 show-less = Прикажи мање
 show-more = Прикажи још {$more}
+clear-group = Обриши групу
 clear-all = Обриши сва обавештења
 do-not-disturb = Не узнемиравај
 notification-settings = Подешавања обавештења...

cosmic-applet-notifications/i18n/sr-Latn/cosmic_applet_notifications.ftl

@@ -8,6 +8,7 @@ minutes-ago = { NUMBER($duration) ->
 }
 show-less = Prikaži manje
 show-more = Prikaži još {$more}
+clear-group = Obriši grupu
 clear-all = Obriši sva obaveštenja
 do-not-disturb = Ne uznemiravaj
 notification-settings = Podešavanja obaveštenja...

cosmic-applet-notifications/src/lib.rs

@@ -237,7 +237,7 @@ impl cosmic::Application for Notifications {
                         false,
                         fl!("show-more", HashMap::from_iter(vec![("more", "1")])),
                         fl!("show-less"),
-                        fl!("clear-all"),
+                        fl!("clear-group"),
                     ));
                 }
             }