Remove row gap in absence overview list items

aleksis/apps/alsijil/frontend/components/coursebook/absences/DocumentationAbsences.vue

@@ -95,7 +95,7 @@ export default {
   display: grid;
   grid-template-columns: repeat(3, 1fr);
   grid-template-rows: min-content min-content;
-  gap: 1em;
+  column-gap: 1em;
 }
 .participation-list {
   grid-column-start: 1;