Migrate Connect org logos to File type

Replace Organization.logoUrl and horizontalLogoUrl with nested File
objects whose downloadUrl points at /api/files/v1/public/{id}, matching
the Console migration.

Org logos are FileVisibilityPublic and served without HTTP auth, so
Connect File.downloadUrl is built eagerly in NewFile with no field-level
authorize. Logo loading moves to iam.OrganizationService.LogoFile and
HorizontalLogoFile; the old URL generators are removed.

Sync IAM Relay components and n8n organization operations. Add an e2e
test for Connect multipart logo upload and ExecuteConnectWithFile.

Signed-off-by: Ludovic Vielle <ludovic@probo.com>

packages/n8n-node/nodes/Probo/actions/organization/getAll.operation.ts

@@ -68,8 +68,16 @@ export async function execute(
 								websiteUrl
 								email
 								headquarterAddress
-								logoUrl
-								horizontalLogoUrl
+								logo {
+									id
+									fileName
+									downloadUrl
+								}
+								horizontalLogo {
+									id
+									fileName
+									downloadUrl
+								}
 								createdAt
 								updatedAt
 							}