Test: useChrome() mocks isBeta() returns true

The previous commit adjusts the necessary feature flags to expose the
new blueprints table and V2 wizard in stage-preview.

This causes tests where isBeta() == false to fail. This commit changes
the relevant useChrome() mocks such that isBeta() returns true.

src/test/Components/CreateImageWizardV2/steps/Packages/Packages.test.tsx

@@ -25,7 +25,7 @@ jest.mock('@redhat-cloud-services/frontend-components/useChrome', () => ({
         };
       },
     },
-    isBeta: () => false,
+    isBeta: () => true,
     isProd: () => true,
     getEnvironment: () => 'prod',
   }),