refactor(iceberg): support position delete merge on read with hash join

[xxhZs]

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What's changed and what's your intention?

In this pr
we support iceberg source position delete merge on read with hash join exec

The basic logic is the same as #19126

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[chenzl25]

Please give a brief description to this PR.

[chenzl25]

LGTM, thanks! To further optimize the performance, we can use broadcast shuffle instead of hash shuffle for hash join.