docs: organize EDS 2.0 component navigation (#4398)

* fix(storybook): organize EDS 2.0 component navigation structure

Flatten hierarchy and group components under Inputs:
- Icon (root level)
- Inputs/Button, Checkbox, Field, Input, Radio, Switch, TextField

Updates storySort to ensure alphabetical ordering within Inputs folder.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix: keep Selection Controls folder for Checkbox, Radio, Switch

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>

Author: pomfrida

packages/eds-core-react/.storybook/preview.mjs

@@ -7,12 +7,12 @@ const preview = {
   parameters: {
     options: {
       storySort: {
-        method: '',
+        method: 'alphabetical',
         order: [
           'Introduction',
           'EdsProvider',
           'EDS 2.0 (beta)',
-          ['About', '*'],
+          ['About', 'Icon', 'Inputs'],
           'Data Display',
           'Feedback',
           'Inputs',

packages/eds-core-react/src/components/next/Button/Button.stories.tsx

@@ -8,7 +8,7 @@ import page from './Button.docs.mdx'
 type StoryArgs = React.ComponentProps<typeof Button>
 
 const meta: Meta<StoryArgs> = {
-  title: 'EDS 2.0 (beta)/Button',
+  title: 'EDS 2.0 (beta)/Inputs/Button',
   component: Button,
   parameters: {
     docs: {

packages/eds-core-react/src/components/next/Field/Field.stories.tsx

@@ -7,7 +7,7 @@ import type { FieldProps } from './Field.types'
 import { useFieldIds } from './useFieldIds'
 
 const meta: Meta<typeof Field> = {
-  title: 'EDS 2.0 (beta)/Inputs/Form/Field',
+  title: 'EDS 2.0 (beta)/Inputs/Field',
   component: Field,
   tags: ['beta'],
   decorators: [

packages/eds-core-react/src/components/next/Input/Input.stories.tsx

@@ -9,7 +9,7 @@ import { Button } from '../../Button'
 import page from './Input.docs.mdx'
 
 const meta: Meta<typeof Input> = {
-  title: 'EDS 2.0 (beta)/Input',
+  title: 'EDS 2.0 (beta)/Inputs/Input',
   component: Input,
   tags: ['beta'],
   args: {

packages/eds-core-react/src/components/next/TextField/TextField.stories.tsx

@@ -7,7 +7,7 @@ import { Stack } from './../../../../.storybook/components'
 import { Icon } from '../Icon'
 
 const meta: Meta<typeof TextField> = {
-  title: 'EDS 2.0 (beta)/TextField',
+  title: 'EDS 2.0 (beta)/Inputs/TextField',
   component: TextField,
   tags: ['beta'],
   args: {