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/utils/utils.ts

@@ -0,0 +1,14 @@
+export const prepareFieldsArray = (fields: string | string[], fieldName = 'Fields') => {
+	if (typeof fields === 'string') {
+		return fields
+			.split(',')
+			.map((entry) => entry.trim())
+			.filter((entry) => entry !== '');
+	}
+	if (Array.isArray(fields)) {
+		return fields;
+	}
+	throw new Error(
+		`The \'${fieldName}\' parameter must be a string of fields separated by commas or an array of strings.`,
+	);
+};