Create old fields design widget (#15645)

In this PR:

- Pass `layoutMode` and `tabId` via PageLayoutContentContext provider
- Getting `pageLayoutType` from the current page layout
- Getting isInPinnedTab through `useIsInPinnedTab` hook

## Before

<img width="3456" height="2160" alt="CleanShot 2025-11-06 at 14 22
44@2x"
src="https://github.com/user-attachments/assets/763bb413-5739-45ef-85ed-82a72415886f"
/>

## After

<img width="3456" height="2162" alt="CleanShot 2025-11-06 at 14 20
38@2x"
src="https://github.com/user-attachments/assets/eee6cccd-9d36-426e-a22f-400e8f7f9413"
/>

---------

Co-authored-by: Lucas Bordeau <bordeau.lucas@gmail.com>

packages/twenty-front/src/modules/page-layout/hooks/useCurrentPageLayoutOrThrow.ts

@@ -0,0 +1,12 @@
+import { useCurrentPageLayout } from '@/page-layout/hooks/useCurrentPageLayout';
+import { isDefined } from 'twenty-shared/utils';
+
+export const useCurrentPageLayoutOrThrow = () => {
+  const { currentPageLayout } = useCurrentPageLayout();
+
+  if (!isDefined(currentPageLayout)) {
+    throw new Error('No current page layout found');
+  }
+
+  return { currentPageLayout };
+};