Add more granular OAuth scopes (#7929)

* Add more granular OAuth scopes

* Add human-readable descriptions of the new scopes

* Ensure new scopes look good on the app UI

* Add tests

* Group scopes in screen and color-code dangerous ones

* Fix wrong extra scope

app/controllers/api/base_controller.rb

@@ -78,4 +78,8 @@ class Api::BaseController < ApplicationController
   def render_empty
     render json: {}, status: 200
   end
+
+  def authorize_if_got_token!(*scopes)
+    doorkeeper_authorize!(*scopes) if doorkeeper_token
+  end
 end