File - Migrate core pictures (workspace and member logo) + workflow attachments (#17924)

- Create a common file-by-id download controller
- Create core picture module with resolver and logic to handle
workspaceLogo and workspaceMemberProfilePicture update
- Create workflow file module (same)
- Data migration

packages/twenty-front/src/modules/file/graphql/mutations/uploadWorkflowFile.ts

@@ -0,0 +1,13 @@
+import { gql } from '@apollo/client';
+
+export const UPLOAD_WORKFLOW_FILE = gql`
+  mutation UploadWorkflowFile($file: Upload!) {
+    uploadWorkflowFile(file: $file) {
+      id
+      path
+      size
+      createdAt
+      url
+    }
+  }
+`;