[C++] Make AsofJoinNode robust to input batch scheduling
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Component: C++
Type: bug
- Dominant language
- C++
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Description
### Describe the bug, including details regarding any error messages, version, and platform.
Currently, the output produced by AsofJoinNode can be different when changing the input batch order of reception (see [this post](https://github.com/apache/arrow/pull/36499#issuecomment-1629484424)), leading to test failures.
### Component(s)
C++
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