Add maxwidth300 on combo list for users and sale representatives

htdocs/adherents/card.php

htdocs/adherents/stats/index.php

htdocs/admin/prelevement.php

htdocs/bookmarks/card.php

htdocs/comm/action/card.php

htdocs/comm/action/document.php

htdocs/comm/propal/stats/index.php

htdocs/commande/stats/index.php

htdocs/compta/deplacement/card.php

htdocs/compta/deplacement/stats/index.php

htdocs/compta/facture/mergepdftool.php

htdocs/compta/facture/stats/index.php

htdocs/compta/salaries/card.php

htdocs/contact/card.php

htdocs/contrat/list.php

htdocs/core/lib/agenda.lib.php

htdocs/don/stats/index.php

htdocs/expedition/stats/index.php

htdocs/expensereport/list.php

htdocs/expensereport/stats/index.php