Reorganize twenty-ui into best-practice component domains and per-component folders (#21745)

Reorganizes `twenty-ui`'s component organization to follow how the best
UI libraries (MUI, Mantine, Base UI, Polaris) structure their source,
now that the package has stabilized.

**Taxonomy** — dissolves the meaningless `components/` junk-drawer and
the 107-file `display/` mega-category. New domains/subpaths:
`data-display`, `typography`, `icon`, `surfaces`; `feedback` and
`layout` absorb the rest (banners/callout/info + placeholders →
feedback; modal/card → surfaces; motion + separators → layout).

**Per-component layout** — every component is now
`<domain>/<ComponentName>/<ComponentName>.tsx` with colocated
styles/stories/types, `internal/` for private helpers and `parts/` for
re-exported compound sub-parts. The redundant inner `/components/` is
gone. `icon` and `json-visualizer` are kept as cohesive subsystems.

**Also:** adds a tree-shakeable root barrel (`import { Button } from
'twenty-ui'`), the generator now owns `individual-entry.ts`, and a real
barrel-leak bug is fixed (private `internals/` parts were leaking into
the public API).

Consumer imports (~1.2k files) and the `twenty-sdk` UI aggregator were
updated by codemod. The change is **export-neutral** except 16
intentionally-removed private internals symbols (all verified
unconsumed). Gates green: typecheck, lint, build, size-limit, storybook.


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packages/twenty-ui/src/input/AdvancedSettingsToggle/AdvancedSettingsToggle.module.scss

@@ -0,0 +1,16 @@
+.container {
+  align-items: center;
+  box-sizing: border-box;
+  cursor: pointer;
+  display: flex;
+  height: var(--t-spacing-5);
+  justify-content: space-between;
+  padding: var(--t-spacing-1);
+  width: 100%;
+}
+
+.text {
+  color: var(--t-font-color-secondary);
+  font-size: var(--t-font-size-sm);
+  font-weight: var(--t-font-weight-medium);
+}

packages/twenty-ui/src/input/AdvancedSettingsToggle/AdvancedSettingsToggle.module.scss.d.ts

@@ -0,0 +1,5 @@
+declare const classNames: {
+  readonly container: 'container';
+  readonly text: 'text';
+};
+export default classNames;

packages/twenty-ui/src/input/AdvancedSettingsToggle/AdvancedSettingsToggle.tsx

@@ -0,0 +1,39 @@
+import { Toggle } from '@ui/input';
+import { ThemeContext } from '@ui/theme-constants';
+import { clsx } from 'clsx';
+import { useContext, useId } from 'react';
+
+import styles from './AdvancedSettingsToggle.module.scss';
+
+type AdvancedSettingsToggleProps = {
+  isAdvancedModeEnabled: boolean;
+  setIsAdvancedModeEnabled: (enabled: boolean) => void;
+  label?: string;
+  className?: string;
+};
+
+export const AdvancedSettingsToggle = ({
+  isAdvancedModeEnabled,
+  setIsAdvancedModeEnabled,
+  label = 'Advanced',
+  className,
+}: AdvancedSettingsToggleProps) => {
+  const { theme } = useContext(ThemeContext);
+
+  const onChange = (newValue: boolean) => {
+    setIsAdvancedModeEnabled(newValue);
+  };
+  const instanceId = useId();
+
+  return (
+    <label className={clsx(styles.container, className)} htmlFor={instanceId}>
+      <div className={styles.text}>{label}</div>
+      <Toggle
+        id={instanceId}
+        onChange={onChange}
+        color={theme.color.yellow}
+        value={isAdvancedModeEnabled}
+      />
+    </label>
+  );
+};