Fixes Feature flag JS folder structure

ee/app/assets/javascripts/feature_flags/index.js

+import Vue from 'vue';
+import FeatureFlagsComponent from 'ee/feature_flags/components/feature_flags.vue';
+import csrf from '~/lib/utils/csrf';
+
+export default () =>
+  new Vue({
+    el: '#feature-flags-vue',
+    components: {
+      FeatureFlagsComponent,
+    },
+    data() {
+      return {
+        dataset: document.querySelector(this.$options.el).dataset,
+      };
+    },
+    render(createElement) {
+      return createElement('feature-flags-component', {
+        props: {
+          endpoint: this.dataset.endpoint,
+          errorStateSvgPath: this.dataset.errorStateSvgPath,
+          featureFlagsHelpPagePath: this.dataset.featureFlagsHelpPagePath,
+          csrfToken: csrf.token,
+          canUserConfigure: this.dataset.canUserAdminFeatureFlag,
+          newFeatureFlagPath: this.dataset.newFeatureFlagPath,
+          configureModalData: {
+            clientLibrariesHelpPath: this.dataset.clientLibrariesHelpPath,
+            featureFlagsHelpPagePath: this.dataset.featureFlagsHelpPagePath,
+            apiUrl: this.dataset.apiUrl,
+            instanceId: this.dataset.instanceId,
+            applicationName: this.dataset.applicationName,
+          },
+        },
+      });
+    },
+  });

ee/app/assets/javascripts/pages/projects/feature_flags/index.js

-import Vue from 'vue';
-import FeatureFlagsComponent from 'ee/feature_flags/components/feature_flags.vue';
-import csrf from '~/lib/utils/csrf';
-
-document.addEventListener(
-  'DOMContentLoaded',
-  () =>
-    new Vue({
-      el: '#feature-flags-vue',
-      components: {
-        FeatureFlagsComponent,
-      },
-      data() {
-        return {
-          dataset: document.querySelector(this.$options.el).dataset,
-        };
-      },
-      render(createElement) {
-        return createElement('feature-flags-component', {
-          props: {
-            endpoint: this.dataset.endpoint,
-            errorStateSvgPath: this.dataset.errorStateSvgPath,
-            featureFlagsHelpPagePath: this.dataset.featureFlagsHelpPagePath,
-            csrfToken: csrf.token,
-          },
-        });
-      },
-    }),
-);

ee/app/assets/javascripts/pages/projects/feature_flags/index/index.js

+import initFeatureFlags from 'ee/feature_flags';
+
+document.addEventListener('DOMContentLoaded', initFeatureFlags);