hide settings for mentions_only notif for 1o1 chats

ts/components/session/conversation/SessionConversation.tsx

@@ -351,6 +351,14 @@ export class SessionConversation extends React.Component<Props, State> {
 
     const members = conversation.get('members') || [];
 
+    // exclude mentions_only settings for private chats as this does not make much sense
+    const notificationForConvo = ConversationNotificationSetting.filter(n =>
+      conversation.isPrivate() ? n !== 'mentions_only' : true
+    ).map((n: ConversationNotificationSettingType) => {
+      // this link to the notificationForConvo_all, notificationForConvo_mentions_only, ...
+      return { value: n, name: window.i18n(`notificationForConvo_${n}`) };
+    });
+
     const headerProps = {
       id: conversation.id,
       name: conversation.getName(),
@@ -373,12 +381,7 @@ export class SessionConversation extends React.Component<Props, State> {
         name: item.getName(),
         value: item.get('seconds'),
       })),
-      notificationForConvo: ConversationNotificationSetting.map(
-        (n: ConversationNotificationSettingType) => {
-          // this link to the notificationForConvo_all, notificationForConvo_mentions_only, ...
-          return { value: n, name: window.i18n(`notificationForConvo_${n}`) };
-        }
-      ),
+      notificationForConvo,
       currentNotificationSetting: conversation.get('triggerNotificationsFor'),
       hasNickname: !!conversation.getNickname(),
       selectionMode: !!selectedMessages.length,