Fix: form is not allowed into a table. This break some javascript and

htdocs/comm/propal.php

htdocs/commande/fiche.php

htdocs/compta/facture.php

htdocs/contrat/class/contrat.class.php

htdocs/contrat/fiche.php

htdocs/core/lib/ajax.lib.php

htdocs/core/tpl/freeproductline_create.tpl.php

htdocs/core/tpl/objectline_edit.tpl.php

htdocs/core/tpl/predefinedproductline_create.tpl.php

htdocs/fourn/commande/fiche.php

htdocs/fourn/facture/fiche.php