Environment Variables can't be used in Direct Reply node

[wy96f]

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Dify version

0.8.3

Cloud or Self Hosted

Self Hosted (Docker)

Steps to reproduce

try to use Environment Variables in Direct Reply node

✔️ Expected Behavior

can be used

❌ Actual Behavior

can't be used

[crazywoola]

Duplicated, you can solve it by add a template node before it.