Fix wrong view being displayed when a webhook fails validation (#25464)

app/controllers/admin/webhooks_controller.rb

@@ -42,7 +42,7 @@ module Admin
       if @webhook.update(resource_params)
         redirect_to admin_webhook_path(@webhook)
       else
-        render :show
+        render :edit
       end
     end
 

spec/controllers/admin/webhooks_controller_spec.rb

@@ -82,7 +82,7 @@ describe Admin::WebhooksController do
         end.to_not change(webhook, :url)
 
         expect(response).to have_http_status(:success)
-        expect(response).to render_template(:show)
+        expect(response).to render_template(:edit)
       end
     end