🔧 Upgrade storybook (#7693)

* 🔧 Upgrade to storybook 9.x

* 🔧 Upgrade to storybook 10.x

* 🔧 Update watch:storybook script so it builds its assets dependencies first

* 🔧 Use vitest for storybook tests (test-storybook was deprecated)

frontend/.storybook/main.js

@@ -2,7 +2,11 @@
 const config = {
   stories: ["../src/**/*.mdx", "../src/**/*.stories.@(js|jsx|mjs|ts|tsx)"],
   staticDirs: ["../resources/public"],
-  addons: ["@storybook/addon-essentials", "@storybook/addon-themes", "@storybook/addon-interactions"],
+  addons: [
+    "@storybook/addon-themes",
+    "@storybook/addon-docs",
+    "@storybook/addon-vitest"
+  ],
   core: {
     builder: "@storybook/builder-vite",
     options: {