[BUG] Native networks don't work with generated future equals to horizon

[Mr-Geekman]

🐛 Bug Report

If we change at this line future_steps=self.model.decoder_length with future_steps=self.horizon, then tests will fail:

• test_pipeline_with_deepmodel.

Expected behavior

Tests don't fail.

How To Reproduce

1. Replace at this line future_steps=self.model.decoder_length with future_steps=self.horizon, then tests will fail.
2. Run tests for pipeline.

Environment

No response

Additional context

No response

Checklist

• Bug appears at the latest library version

[Mr-Geekman]

It seems that the problem is with the line. We have a similar problem with mlp at the line.