refactor(webui): use shared ticket dialog sizing

webui/src/features/tickets/TicketsPage.tsx

@@ -534,7 +534,7 @@ function TicketEditorDialog({ open, record, saving, error, onClose, onSave }: {
     setValues((current) => ({ ...current, [key]: value }));
   }
   return (
-    <Dialog open={open} title={record ? "Triage ticket" : "Report ticket"} onClose={onClose} closeDisabled={saving} className="ticket-editor-dialog" footer={<>
+    <Dialog open={open} title={record ? "Triage ticket" : "Report ticket"} size="large" onClose={onClose} closeDisabled={saving} footer={<>
       <Button type="button" onClick={onClose} disabled={saving}>Cancel</Button>
       <Button type="submit" form="ticket-editor-form" variant="primary" disabled={saving}>{saving ? "Saving..." : "Save"}</Button>
     </>}>

webui/src/styles/tickets.css

@@ -274,10 +274,6 @@
   resize: vertical;
 }
 
-.ticket-editor-dialog {
-  width: min(720px, calc(100vw - 32px));
-}
-
 .ticket-editor-form label {
   display: flex;
   min-width: 0;