feat: Data transformation nodes and actions in Nodes Panel (#7760)

- Split Items List node into separate nodes per action
- Review node descriptions
- New icons
- New sections in subcategories

---------

Co-authored-by: Giulio Andreini <andreini@netseven.it>
Co-authored-by: Deborah <deborah@starfallprojects.co.uk>
Co-authored-by: Michael Kret <michael.k@radency.com>

packages/nodes-base/nodes/Set/v2/SetV2.node.ts

@@ -22,7 +22,7 @@ const versionDescription: INodeTypeDescription = {
 	icon: 'fa:pen',
 	group: ['input'],
 	version: [3, 3.1, 3.2],
-	description: 'Change the structure of your items',
+	description: 'Modify, add, or remove item fields',
 	subtitle: '={{$parameter["mode"]}}',
 	defaults: {
 		name: 'Edit Fields',