Board scope follow up

Fix fragment matcher and loading state of board selector

app/assets/javascripts/boards/components/boards_selector.vue

@@ -268,12 +268,11 @@ export default {
 <template>
   <div class="boards-switcher js-boards-selector gl-mr-3">
     <span class="boards-selector-wrapper js-boards-selector-wrapper">
-      <gl-loading-icon v-if="isBoardLoading" size="md" class="gl-mt-2" />
       <gl-dropdown
-        v-else
         data-qa-selector="boards_dropdown"
         toggle-class="dropdown-menu-toggle js-dropdown-toggle"
         menu-class="flex-column dropdown-extended-height"
+        :loading="isBoardLoading"
         :text="board.name"
         @show="loadBoards"
       >

app/assets/javascripts/boards/mount_multiple_boards_switcher.js

+import { IntrospectionFragmentMatcher } from 'apollo-cache-inmemory';
 import Vue from 'vue';
 import VueApollo from 'vue-apollo';
 import BoardsSelector from 'ee_else_ce/boards/components/boards_selector.vue';
 import store from '~/boards/stores';
 import createDefaultClient from '~/lib/graphql';
 import { parseBoolean } from '~/lib/utils/common_utils';
+import introspectionQueryResultData from '~/sidebar/fragmentTypes.json';
 
 Vue.use(VueApollo);
 
+const fragmentMatcher = new IntrospectionFragmentMatcher({
+  introspectionQueryResultData,
+});
+
 const apolloProvider = new VueApollo({
-  defaultClient: createDefaultClient(),
+  defaultClient: createDefaultClient(
+    {},
+    {
+      cacheConfig: {
+        fragmentMatcher,
+      },
+    },
+  ),
 });
 
 export default (params = {}) => {