Component: Button migration 1: TextButton (#7537)

## Summary

Setup the variants and migrate existing uses of
TextButton/TextIconButton/IconButton to a single Button component.

Still a work in progress.

## Changes

- **What**: Add a new Button
- **What**: Migrate old buttons
- **What**: Delete old buttons
- **Dependencies**: CVA, upgrade Storybook

## Review Focus

<!-- Critical design decisions or edge cases that need attention -->

<!-- If this PR fixes an issue, uncomment and update the line below -->
<!-- Fixes #ISSUE_NUMBER -->

## Screenshots (if applicable)

<!-- Add screenshots or video recording to help explain your changes -->

┆Issue is synchronized with this [Notion
page](https://www.notion.so/PR-7537-WIP-Component-Button-migration-2cb6d73d36508156a81bfc7bbddb36e9)
by [Unito](https://www.unito.io)

---------

Co-authored-by: GitHub Action <action@github.com>

src/components/ui/button/Button.stories.ts

@@ -0,0 +1,68 @@
+import type { Meta, StoryObj } from '@storybook/vue3-vite'
+
+import Button from './Button.vue'
+import { FOR_STORIES } from '@/components/ui/button/button.variants'
+
+const { variants, sizes } = FOR_STORIES
+const meta: Meta<typeof Button> = {
+  title: 'Components/Button/Button',
+  component: Button,
+  tags: ['autodocs'],
+  argTypes: {
+    size: {
+      control: { type: 'select' },
+      options: sizes,
+      defaultValue: 'md'
+    },
+    variant: {
+      control: { type: 'select' },
+      options: variants,
+      defaultValue: 'primary'
+    },
+    as: { defaultValue: 'button' },
+    asChild: { defaultValue: false },
+    default: {
+      defaultValue: 'Button'
+    }
+  },
+  args: {
+    variant: 'secondary',
+    size: 'md',
+    default: 'Button'
+  }
+}
+
+export default meta
+type Story = StoryObj<typeof meta>
+
+export const SingleButton: Story = {
+  args: {
+    variant: 'primary',
+    size: 'lg'
+  }
+}
+
+function generateVariants() {
+  const variantButtons: string[] = []
+  for (const variant of variants) {
+    for (const size of sizes) {
+      variantButtons.push(
+        `<Button variant="${variant}" size="${size}">${size === 'icon' ? `<i class="icon-[lucide--settings]" />` : variant}</Button>`
+      )
+    }
+  }
+  return variantButtons
+}
+
+// Note: Keep the number of columns here aligned with the number of sizes above.
+export const AllVariants: Story = {
+  render: () => ({
+    components: { Button },
+    template: `
+      <div class="grid grid-cols-4 gap-4 place-items-center-safe">
+      ${generateVariants().join('\n')}
+        
+      </div>
+    `
+  })
+}