doctrine schema update shows always 3 queries

[klinec]

Result of bin/console doctrine:schema:update --dump-sql is always

ALTER TABLE email_outbound CHANGE recipients recipients LONGTEXT NOT NULL, CHANGE template template LONGTEXT DEFAULT NULL, CHANGE custom_headers custom_headers LONGTEXT DEFAULT NULL;
ALTER TABLE email_inbound CHANGE recipients recipients LONGTEXT NOT NULL, CHANGE headers headers LONGTEXT DEFAULT NULL;
ALTER TABLE email_outbound_message_status CHANGE recipient recipient LONGTEXT NOT NULL;

We need to modify our custom doctrine types to be correctly recognized by doctrine