V4.14.16

Upgrade Guide

1. Update image tags

• Update fastgpt-app (FastGPT main service) image tag to: v4.14.16
• Update fastgpt-pro (FastGPT commercial) image tag to: v4.14.16

⚙️ Optimizations

1. Embeddings now support base64-encoded response values.

🐛 Bug Fixes

1. Fixed helper-bot prepending an Error~ prefix to its output.
2. Fixed the Alibaba Cloud OSS copy API.
3. Fixed the workflow node picker being too tall to display its bottom row of nodes.
4. Temporarily addressed evaluation-list permissions by limiting the list to evaluations created by the current user.