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GH-38884: [C++] DatasetWriter release rows_in_flight_throttle when allocate writing failed (#38885)



### Rationale for this change

When file-queue is fall or write failed, the `DatasetWriterImpl::DoWriteRecordBatch` might failed, however, the resources are not released.

### What changes are included in this PR?

When file-queue is full or cannot open file, release the `row` resources.

### Are these changes tested?

yes

### Are there any user-facing changes?

no

* Closes: #38884

Authored-by: mwish <maplewish117@gmail.com>
Signed-off-by: Sutou Kouhei <kou@clear-code.com>