Some visual improvements to CRUD iterator

aleksis/apps/chronos/frontend/components/SubstitutionOverview.vue

@@ -28,6 +28,10 @@ import {
     :elevated="false"
     :force-model-item-update="true"
     @lastQuery="lastQuery = $event"
+    fixed-header
+    disable-pagination
+    hide-default-footer
+    use-deep-search
   >
     <template #additionalActions="{ attrs, on }">
       <v-autocomplete