Update container registry explorer feature check

Add project and group into feature flag check
Check that explorer is active in js first

app/assets/javascripts/pages/projects/registry/repositories/index.js

@@ -3,7 +3,11 @@ import registryExplorer from '~/registry/explorer/index';
 
 document.addEventListener('DOMContentLoaded', () => {
   initRegistryImages();
-  const { attachMainComponent, attachBreadcrumb } = registryExplorer();
-  attachBreadcrumb();
-  attachMainComponent();
+
+  const explorer = registryExplorer();
+
+  if (explorer) {
+    explorer.attachBreadcrumb();
+    explorer.attachMainComponent();
+  }
 });

app/views/groups/registry/repositories/index.html.haml

@@ -4,7 +4,7 @@
 %section
   .row.registry-placeholder.prepend-bottom-10
     .col-12
-      - if Feature.enabled?(:vue_container_registry_explorer)
+      - if Feature.enabled?(:vue_container_registry_explorer, @group)
         #js-container-registry{ data: { endpoint: group_container_registries_path(@group),
           "help_page_path" => help_page_path('user/packages/container_registry/index'),
           "two_factor_auth_help_link" => help_page_path('user/profile/account/two_factor_authentication'),

app/views/projects/registry/repositories/index.html.haml

@@ -4,7 +4,7 @@
 %section
   .row.registry-placeholder.prepend-bottom-10
     .col-12
-      - if Feature.enabled?(:vue_container_registry_explorer)
+      - if Feature.enabled?(:vue_container_registry_explorer, @project)
         #js-container-registry{ data: { endpoint: project_container_registry_index_path(@project),
           project_path: @project.full_path,
           "help_page_path" => help_page_path('user/packages/container_registry/index'),