[BugFix][Cherry-pick] Set enable_cache_output as false by default(#5751)

[rainyfly]

Motivation

测试发现开启缓存输出时，会偶现报错，暂时默认关闭缓存输出功能。

Modifications

设置缓存输出功能的默认值为 False

Usage or Command

None

Accuracy Tests

None

Checklist

• Add at least a tag in the PR title.
  • Tag list: [[FDConfig],[APIServer],[Engine], [Scheduler], [PD Disaggregation], [Executor], [Graph Optimization], [Speculative Decoding], [RL], [Models], [Quantization], [Loader], [OP], [KVCache], [DataProcessor], [BugFix], [Docs], [CI], [Optimization], [Feature], [Benchmark], [Others], [XPU], [HPU], [GCU], [DCU], [Iluvatar], [Metax]]
  • You can add new tags based on the PR content, but the semantics must be clear.
• Format your code, run pre-commit before commit.
• Add unit tests. Please write the reason in this PR if no unit tests.
• Provide accuracy results.
• If the current PR is submitting to the release branch, make sure the PR has been submitted to the develop branch, then cherry-pick it to the release branch with the [Cherry-Pick] PR tag.

[paddle-bot]

Thanks for your contribution!

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
⚠️ Please upload report for BASE (release/2.4@e51af01). Learn more about missing BASE report.

Additional details and impacted files

@@              Coverage Diff               @@
##             release/2.4    #5752   +/-   ##
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  Coverage               ?   58.99%           
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  Files                  ?      328           
  Lines                  ?    40839           
  Branches               ?     6215           
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  Hits                   ?    24092           
  Misses                 ?    14867           
  Partials               ?     1880           

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