Only at most 3 LLMs results can be in Answer component, so weird bug

[Aryavui]

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Dify version

0.6.12-fix1

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

When I chained more than 3 LLMs (with an Answer component at the last) in the Chatflow app, it is so weried that I can choose at most 3 variables (LLMs outputs) in the Answer component. This is a very basic bug

✔️ Expected Behavior

No response

❌ Actual Behavior

No response