Pass attrs and event listeners for subject chip to the base v-chip

aleksis/apps/cursus/frontend/components/SubjectChip.vue

 <script>
 export default {
   name: "SubjectChip",
+  extends: "v-chip",
   props: {
     subject: {
       type: Object,
@@ -21,7 +22,12 @@ export default {
 </script>
 
 <template>
-  <v-chip :color="subject.colourBg" :text-color="subject.colourFg">
+  <v-chip
+    v-bind="$attrs"
+    v-on="$listeners"
+    :color="subject.colourBg"
+    :text-color="subject.colourFg"
+  >
     {{ shortName ? subject.shortName : subject.name }}
     <v-icon right v-if="appendIcon">{{ appendIcon }}</v-icon>
   </v-chip>