feat(editor): Show template credential setup based on feature flag (#7989)

Replace the local storage based feature flag with posthog feature flag.

Also:
- Fix bunch of eslint warnings in posthog store

packages/editor-ui/src/views/TemplatesCollectionView.vue

@@ -66,10 +66,9 @@ import type {
 } from '@/Interface';
 
 import { setPageTitle } from '@/utils/htmlUtils';
-import { VIEWS } from '@/constants';
+import { TEMPLATE_CREDENTIAL_SETUP_EXPERIMENT, VIEWS } from '@/constants';
 import { useTemplatesStore } from '@/stores/templates.store';
 import { usePostHog } from '@/stores/posthog.store';
-import { FeatureFlag, isFeatureFlagEnabled } from '@/utils/featureFlag';
 import { openTemplateCredentialSetup } from '@/utils/templates/templateActions';
 import { useExternalHooks } from '@/composables/useExternalHooks';
 
@@ -129,7 +128,7 @@ export default defineComponent({
 			this.navigateTo(event, VIEWS.TEMPLATE, id);
 		},
 		async onUseWorkflow({ event, id }: { event: MouseEvent; id: string }) {
-			if (!isFeatureFlagEnabled(FeatureFlag.templateCredentialsSetup)) {
+			if (this.posthogStore.isFeatureEnabled(TEMPLATE_CREDENTIAL_SETUP_EXPERIMENT)) {
 				const telemetryPayload = {
 					template_id: id,
 					wf_template_repo_session_id: this.templatesStore.currentSessionId,
@@ -142,6 +141,7 @@ export default defineComponent({
 			}
 
 			await openTemplateCredentialSetup({
+				posthogStore: this.posthogStore,
 				router: this.$router,
 				templateId: id,
 				inNewBrowserTab: event.metaKey || event.ctrlKey,