UX:minor tweaks to user notifications dropdown (#26754)

- changes mute icon to bell-slash
- changed mute text
- changed ignore text

app/assets/javascripts/select-kit/addon/components/user-notifications-dropdown.js

@@ -33,7 +33,7 @@ export default DropdownSelectBox.extend({
     });
 
     content.push({
-      icon: "times-circle",
+      icon: "bell-slash",
       id: "changeToMuted",
       description: I18n.t("user.user_notifications.mute_option_title"),
       name: I18n.t("user.user_notifications.mute_option"),

config/locales/client.en.yml

@@ -1153,10 +1153,10 @@ en:
         ignore_duration_time_frame_required: "Please select a time frame"
         ignore_no_users: "You have no ignored users."
         ignore_option: "Ignored"
-        ignore_option_title: "You will not receive notifications related to this user and all of their topics and replies will be hidden."
+        ignore_option_title: "You will not receive any notifications related to this user and all their content will be hidden."
         add_ignored_user: "Add…"
         mute_option: "Muted"
-        mute_option_title: "You will not receive any notifications related to this user."
+        mute_option_title: "You will not receive any notifications, personal messages, or chat direct messages from this user."
         normal_option: "Normal"
         normal_option_title: "You will be notified if this user replies to you, quotes you, or mentions you."
       notification_schedule: