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/Transform/RemoveDuplicates/test/RemoveDuplicates.test.ts

@@ -0,0 +1,5 @@
+import { testWorkflows, getWorkflowFilenames } from '@test/nodes/Helpers';
+
+const workflows = getWorkflowFilenames(__dirname);
+
+describe('Test Remove Duplicates Node', () => testWorkflows(workflows));