Create the Dashboard record show page (#14423)

Closes https://github.com/twentyhq/core-team-issues/issues/1438

- Reorganized PageLayout module
- Created `DashboardRenderer` and `PageLayoutRenderer`
- Created stories for the `PageLayoutRenderer`
- Refactored the Widget components


https://github.com/user-attachments/assets/27e9ac8f-b237-4c21-8494-3fab6d65af3a

packages/twenty-front/src/modules/page-layout/widgets/components/WidgetContentRenderer.tsx

@@ -0,0 +1,27 @@
+import { GraphWidgetRenderer } from '@/page-layout/widgets/graph/components/GraphWidgetRenderer';
+import { IframeWidget } from '@/page-layout/widgets/iframe/components/IframeWidget';
+import { type Widget } from '@/page-layout/widgets/types/Widget';
+import { isString } from '@sniptt/guards';
+import { WidgetType } from '~/generated/graphql';
+
+type WidgetContentRendererProps = {
+  widget: Widget;
+};
+
+export const WidgetContentRenderer = ({
+  widget,
+}: WidgetContentRendererProps) => {
+  switch (widget.type) {
+    case WidgetType.GRAPH:
+      return <GraphWidgetRenderer widget={widget} />;
+
+    case WidgetType.IFRAME: {
+      const url = widget.configuration?.url;
+      return (
+        <IframeWidget url={isString(url) ? url : ''} title={widget.title} />
+      );
+    }
+    default:
+      return null;
+  }
+};