Fix fts handling of the case where both a rowid and docid are specified as part of an insert statement.
Add tests (and a fix) for large and small fts docid values with various languageid_bits settings.
Add extra tests for fts with a non-zero languageid_bits setting. Fix querying by docid with the same.
Fix some issues related to ORDER BY and fts tables with a non-zero languageid_bits setting.
Add tests for modifying the docid and languageid fields of an fts table with a non-zero languageid_bits field.