Remove route action to load all MC App template versions

only load the versions we need

rancher/rancher#17790

lib/global-admin/addon/multi-cluster-apps/index/route.js

@@ -1,20 +1,26 @@
 import Route from '@ember/routing/route';
 import { inject as service } from '@ember/service';
-import { hash } from 'rsvp';
+import { all } from 'rsvp';
+import { get } from '@ember/object';
 
 export default Route.extend({
   globalStore: service(),
   catalog:     service(),
 
-  beforeModel() {
-    return hash({
-      templateversions: this.globalStore.find('templateversion'),
-      templates:        this.catalog.fetchTemplates(),
-    });
-  },
-
   model() {
     return this.globalStore.findAll('multiclusterapp').then( (resp) => ({ apps: resp }));
   },
 
+  afterModel(model/* , transition */) {
+    let promises = [];
+
+    get(model, 'apps').forEach((app) => {
+      promises.push(this.catalog.fetchTemplate(get(app, 'templateVersionId'), true));
+    });
+
+    return all(promises).then(() => {
+      return this.catalog.fetchMultiClusterAppTemplates(get(model, 'apps'));
+    });
+  },
+
 });

lib/shared/addon/catalog/service.js

@@ -102,6 +102,20 @@ export default Service.extend({
     return allSettled(deps);
   },
 
+  fetchMultiClusterAppTemplates(apps) {
+    let deps      = [];
+
+    apps.forEach((app) => {
+      let extInfo = get(app, 'externalIdInfo');
+
+      if ( extInfo && extInfo.templateId ) {
+        deps.push(this.fetchTemplate(extInfo.templateId, false));
+      }
+    });
+
+    return allSettled(deps);
+  },
+
   fetchUnScopedCatalogs() {
     return hash({
       projectCatalogs: this.fetchCatalogs('projectCatalog'),