fix: Apply credential overwrites recursively (#5072)

This ensures that overwrites defined for a parent credential type also applies to all credentials extending it.

packages/cli/src/LoadNodesAndCredentials.ts

@@ -1,3 +1,4 @@
+import uniq from 'lodash.uniq';
 import {
 	CUSTOM_EXTENSION_ENV,
 	UserSettings,
@@ -8,6 +9,7 @@ import {
 	Types,
 } from 'n8n-core';
 import type {
+	ICredentialTypes,
 	ILogger,
 	INodesAndCredentials,
 	KnownNodesAndCredentials,
@@ -46,6 +48,8 @@ export class LoadNodesAndCredentialsClass implements INodesAndCredentials {
 
 	includeNodes = config.getEnv('nodes.include');
 
+	credentialTypes: ICredentialTypes;
+
 	logger: ILogger;
 
 	async init() {
@@ -68,8 +72,21 @@ export class LoadNodesAndCredentialsClass implements INodesAndCredentials {
 	async generateTypesForFrontend() {
 		const credentialsOverwrites = CredentialsOverwrites().getAll();
 		for (const credential of this.types.credentials) {
+			const overwrittenProperties = [];
+			this.credentialTypes
+				.getParentTypes(credential.name)
+				.reverse()
+				.map((name) => credentialsOverwrites[name])
+				.forEach((overwrite) => {
+					if (overwrite) overwrittenProperties.push(...Object.keys(overwrite));
+				});
+
 			if (credential.name in credentialsOverwrites) {
-				credential.__overwrittenProperties = Object.keys(credentialsOverwrites[credential.name]);
+				overwrittenProperties.push(...Object.keys(credentialsOverwrites[credential.name]));
+			}
+
+			if (overwrittenProperties.length) {
+				credential.__overwrittenProperties = uniq(overwrittenProperties);
 			}
 		}