Page layout refactoring (#14535)

In this PR:
- Refactored the page layout renderer
- Converted all the states to component states
- Removed the page layout edition in settings

TODOs in next PRs:
- Fix bug with the drag selector not taking the scroll into account to
display the dragged area
- Readd the tab edition in edit mode

packages/twenty-front/src/modules/settings/components/SettingsPageFullWidthContainer.tsx

@@ -1,29 +0,0 @@
-import { PageBody } from '@/ui/layout/page/components/PageBody';
-import { PageContainer } from '@/ui/layout/page/components/PageContainer';
-import { PageHeader } from '@/ui/layout/page/components/PageHeader';
-import {
-  Breadcrumb,
-  type BreadcrumbProps,
-} from '@/ui/navigation/bread-crumb/components/Breadcrumb';
-import { type ReactNode } from 'react';
-
-type SettingsPageFullWidthContainerProps = {
-  children: ReactNode;
-  links: BreadcrumbProps['links'];
-  actionButton?: ReactNode;
-};
-
-export const SettingsPageFullWidthContainer = ({
-  children,
-  links,
-  actionButton,
-}: SettingsPageFullWidthContainerProps) => {
-  return (
-    <PageContainer>
-      <PageHeader title={<Breadcrumb links={links} />}>
-        {actionButton}
-      </PageHeader>
-      <PageBody>{children}</PageBody>
-    </PageContainer>
-  );
-};