StaffPanel: Move staff loading to panel creation.

src/components/staff_panel/staff_panel.js

@@ -2,6 +2,10 @@ import map from 'lodash/map'
 import BasicUserCard from '../basic_user_card/basic_user_card.vue'
 
 const StaffPanel = {
+  created() {
+    const nicknames = this.$store.state.instance.staffAccounts
+    nicknames.forEach(nickname => this.$store.dispatch('fetchUserIfMissing', nickname))
+  },
   components: {
     BasicUserCard
   },