Change user settings to be stored in a more optimal way (#23630)

Co-authored-by: Claire <claire.github-309c@sitedethib.com>

db/migrate/20230215074327_add_settings_to_users.rb

@@ -0,0 +1,7 @@
+# frozen_string_literal: true
+
+class AddSettingsToUsers < ActiveRecord::Migration[6.1]
+  def change
+    add_column :users, :settings, :text
+  end
+end