Fix stories regex and revert -u change

Author: obulat

.github/workflows/ci_cd.yml

@@ -901,7 +901,7 @@ jobs:
           - name: playwright_e2e
             script: "test:playwright e2e"
           - name: storybook
-            script: "test:storybook"
+            script: "test:storybook -u"
 
     steps:
       - name: Checkout repository

frontend/.storybook/main.ts

@@ -1,7 +1,7 @@
 import type { StorybookConfig } from "@storybook-vue/nuxt"
 
 const config: StorybookConfig = {
-  stories: ["../src/**/*.mdx", "../src/**/*.stories.@(js|jsx|mjs|ts|tsx)"],
+  stories: ["../src/**/*.stories.@(js|jsx|mjs|ts|tsx)"],
   addons: [
     "@storybook/addon-links",
     "@storybook/addon-essentials",