[FIX] account_edi : fix visibility of 'Retry' button

Before this commit, the button 'Retry' would appear if the blocking_level of an account.move (aggregated value of all the related edi.document) was lower than 'error' even though the button 'Send now' also appears. The button 'retry' should only show if the blocking_level is 'error'.

Was fixed in https://github.com/odoo/odoo/pull/65714
Reintroduced in https://github.com/odoo/odoo/pull/65745



closes odoo/odoo#67312

Signed-off-by: Laurent Smet <smetl@users.noreply.github.com>