FEATURE: add new user option skip_new_user_tips. (#10437)

And add new site setting `default_other_skip_new_user_tips` in user preferences category.

app/assets/javascripts/admin/mixins/setting-component.js

@@ -167,6 +167,7 @@ export default Mixin.create({
         "default_other_enable_defer",
         "default_other_dynamic_favicon",
         "default_other_like_notification_frequency",
+        "default_other_skip_new_user_tips",
         "default_topics_automatic_unpin",
         "default_categories_watching",
         "default_categories_tracking",

app/assets/javascripts/discourse/app/controllers/preferences/interface.js

@@ -43,7 +43,8 @@ export default Controller.extend({
       "homepage_id",
       "hide_profile_and_presence",
       "text_size",
-      "title_count_mode"
+      "title_count_mode",
+      "skip_new_user_tips"
     ];
 
     if (makeDefault) {

app/assets/javascripts/discourse/app/models/user.js

@@ -318,7 +318,8 @@ const User = RestModel.extend({
       "hide_profile_and_presence",
       "text_size",
       "title_count_mode",
-      "timezone"
+      "timezone",
+      "skip_new_user_tips"
     ];
 
     if (fields) {

app/assets/javascripts/discourse/app/templates/preferences/interface.hbs

@@ -103,6 +103,7 @@
       onChange=(action (mut model.user_option.title_count_mode))
     }}
   </div>
+  {{preference-checkbox labelKey="user.skip_new_user_tips" checked=model.user_option.skip_new_user_tips  class="pref-new-user-tips"}}
 </div>
 
 {{plugin-outlet name="user-preferences-interface" args=(hash model=model save=(action "save"))}}