UX: improve the link to the preferences page on the new and unread tabs (#13701)

UX: improve the link to the preferences page on the new and unread tabs (#13701)

When the New tab and the Unread tab are empty we show educational messages with links to the preferences page. Both links lead to preferences/account page. In fact, settings that changes behaviour of the New and the Unread tab are on the preferences/notifications page. This PR makes links lead there.

diff --git a/app/assets/javascripts/discourse/app/controllers/discovery/topics.js b/app/assets/javascripts/discourse/app/controllers/discovery/topics.js
index 35ab378..347c7c3 100644
--- a/app/assets/javascripts/discourse/app/controllers/discovery/topics.js
+++ b/app/assets/javascripts/discourse/app/controllers/discovery/topics.js
@@ -179,7 +179,7 @@ const controllerOpts = {
 
     return I18n.t("topics.none.educate." + tab, {
       userPrefsUrl: userPath(
-        `${this.currentUser.get("username_lower")}/preferences`
+        `${this.currentUser.get("username_lower")}/preferences/notifications`
       ),
     });
   },

GitHub sha: d9eb37be70e730a21f39d5a96c3adf3448ef73a2

This commit appears in #13701 which was approved by ZogStriP. It was merged by AndrewPrigorshnev.