fix(client): fix prop type in MkOmit

packages/frontend/src/components/MkOmit.vue

@@ -12,7 +12,7 @@ import { onMounted } from 'vue';
 import { i18n } from '@/i18n';
 
 const props = withDefaults(defineProps<{
-	maxHeight: number;
+	maxHeight?: number;
 }>(), {
 	maxHeight: 200,
 });