Field indexed by trigram cannot become translated because the
`convert_column_translatable` is based on the old index naming convention
(changed in https://github.com/odoo/odoo/pull/100736).
Then it generates a PostgreSQL error:
`psycopg2.errors.DatatypeMismatch: operator class "gin_trgm_ops" does not accept data type jsonb`
closesodoo/odoo#105295
Signed-off-by: Raphael Collet <rco@odoo.com>