🐛 fix(table): flush current_row before finalizing table on block boundary

[harehare]

When tables() encountered a non-table node (paragraph, heading, thematic break) it flushed current_rows to the result without first committing the in-progress current_row buffer. This silently dropped the last data row of any table followed by a non-table block.

#1839

[codspeed-hq]

Merging this PR will not alter performance

✅ 29 untouched benchmarks

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_{Comparing fix/table-last-row-dropped (054951e) with main (f2d9e05)¹}

Footnotes

1. No successful run was found on main (3856817) during the generation of this report, so f2d9e05 was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩