Can set member country

geneit_app/src/widgets/forms/PropEdit.tsx

@@ -8,8 +8,8 @@ export function PropEdit(p: {
   label: string;
   editable: boolean;
   value?: string;
-  onValueChange: (newVal: string | undefined) => void;
-  size: LenConstraint;
+  onValueChange?: (newVal: string | undefined) => void;
+  size?: LenConstraint;
   checkValue?: (s: string) => boolean;
 }): React.ReactElement {
   if (((!p.editable && p.value) ?? "") === "") return <></>;
@@ -19,12 +19,12 @@ export function PropEdit(p: {
       label={p.label}
       value={p.value}
       onChange={(e) =>
-        p.onValueChange(
+        p.onValueChange?.(
           e.target.value.length === 0 ? undefined : e.target.value
         )
       }
       inputProps={{
-        maxLength: p.size.max,
+        maxLength: p.size?.max,
       }}
       InputProps={{
         readOnly: !p.editable,