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/v1/statuses/reblogs_controller.rb

@@ -3,7 +3,7 @@
 class Api::V1::Statuses::ReblogsController < Api::BaseController
   include Authorization
 
-  before_action -> { doorkeeper_authorize! :write }
+  before_action -> { doorkeeper_authorize! :write, :'write:statuses' }
   before_action :require_user!
 
   respond_to :json