feat(core): Improvements/overhaul for nodes working with binary data (#7651)

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

---------

Co-authored-by: Giulio Andreini <andreini@netseven.it>
Co-authored-by: Marcus <marcus@n8n.io>

packages/nodes-base/nodes/Files/test/ConvertExtract.test.ts

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