[4.0] Add update scripts for manifest file back end move (#22138)

* Add update scripts for manifest file back end move

* use joomla prefix

Author: laoneo

administrator/components/com_admin/sql/updates/mysql/4.0.0-2018-09-12.sql

@@ -0,0 +1,2 @@
+UPDATE `#__extensions` SET `client_id` = 1 WHERE `name` = 'com_mailto';
+UPDATE `#__extensions` SET `client_id` = 1 WHERE `name` = 'com_wrapper';

administrator/components/com_admin/sql/updates/postgresql/4.0.0-2018-09-12.sql

@@ -0,0 +1,2 @@
+UPDATE "#__extensions" SET "client_id" = 1 WHERE "name" = 'com_mailto';
+UPDATE "#__extensions" SET "client_id" = 1 WHERE "name" = 'com_wrapper';