feat(Date & Time Node): Option to include other fields in output item (#7661)

Github issue / Community forum post (link here to close automatically):
Community:
https://community.n8n.io/t/date-time-deletes-incoming-props/27492/3
GH Issue: https://github.com/n8n-io/n8n/issues/7646

---------

Co-authored-by: Marcus <marcus@n8n.io>

packages/nodes-base/nodes/DateTime/V2/common.descriptions.ts

@@ -0,0 +1,9 @@
+import type { INodeProperties } from 'n8n-workflow';
+
+export const includeInputFields: INodeProperties = {
+	displayName: 'Include Input Fields',
+	name: 'includeInputFields',
+	type: 'boolean',
+	default: false,
+	description: 'Whether to include all fields of the input item in the output item',
+};