Changes to Modify Admin

added the new optional request property custom_variables

added the optional property custom_variables to the response with the 200 status

added the optional property role/anyOf[subschema #1: AdminRoleData]/permissions/admins/anyOf[subschema #1: AdminsPermissions]/passkeys to the response with the 200 status

added the optional property role/anyOf[subschema #1: AdminRoleData]/permissions/api_keys to the response with the 200 status

the require_hwid_for_manual_sub response's property default value changed from true to false for the status 200