Topic/1594 set read only resources

coscine/issues#1594

src/components/Modal/Modal.vue

@@ -2,7 +2,7 @@
   <div>
     <b-modal
       :visible="value"
-      @change="$emit('input', $event.target.value)"
+      @change="$emit('input', $event)"
       :title="title"
       @hidden="hideModal"
       :hide-footer="hideFooter"