Merge branch 'feature/rails_6' into 'develop'

Upgrade to Rails 6

See merge request gab/social/gab-social!52

app/controllers/application_controller.rb

@@ -5,8 +5,6 @@ class ApplicationController < ActionController::Base
   # For APIs, you may want to use :null_session instead.
   protect_from_forgery with: :exception
 
-  force_ssl if: :https_enabled?
-
   include Localized
   include UserTrackingConcern
   include SessionTrackingConcern
@@ -31,10 +29,6 @@ class ApplicationController < ActionController::Base
 
   private
 
-  def https_enabled?
-    Rails.env.production?
-  end
-
   def store_current_location
     store_location_for(:user, request.url) if request.format == :html
   end

app/controllers/settings/profiles_controller.rb

@@ -25,7 +25,7 @@ class Settings::ProfilesController < Settings::BaseController
         AccountUsernameChange.create!(
           account: @account,
           from_username: @account.username,
-          to_username: params[:account][:username]
+          to_username: params[:account][:username] || ''
         )
       end