[Parquet]Fix writing columns with all null values after row group flush

[hantangwangd]

Description

This PR fix a bug in parquet which cased the flaky #22907. The core reason is that, when Parquet writes a data page with a column that is all null right after row group level flush, the handling of that column is incorrect: its encoding still uses dictionary encoding, but no dictionary page is output.

Motivation and Context

Fix #22907

Impact

N/A

Test Plan

• Newly added test case TestParquetWriter.testWriteAllNullDataPageAfterRowGroupFlush() which can reproduce the issue without this change.
• Set the invocation count for testSingleLevelSchemaArrayOfArrayOfStructOfArray() to 1024, and make sure the issue do not appear anymore.

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Release Notes

== NO RELEASE NOTE ==