fix(Item Lists Node): Don't check same type in remove duplicates operation (#7678)

Github issue / Community forum post (link here to close automatically):

---------

Co-authored-by: Michael Kret <michael.k@radency.com>

packages/nodes-base/nodes/ItemLists/V3/helpers/utils.ts

@@ -5,6 +5,7 @@ import type {
 	IBinaryData,
 	INode,
 	INodeExecutionData,
+	GenericValue,
 } from 'n8n-workflow';
 import { NodeOperationError } from 'n8n-workflow';
 
@@ -147,3 +148,22 @@ export function addBinariesToItem(
 
 	return newItem;
 }
+
+export function typeToNumber(value: GenericValue): number {
+	if (typeof value === 'object') {
+		if (Array.isArray(value)) return 9;
+		if (value === null) return 10;
+		if (value instanceof Date) return 11;
+	}
+	const types = {
+		_string: 1,
+		_number: 2,
+		_bigint: 3,
+		_boolean: 4,
+		_symbol: 5,
+		_undefined: 6,
+		_object: 7,
+		_function: 8,
+	};
+	return types[`_${typeof value}`];
+}