Now it support only `String` and `FixedString`

https://github.com/ClickHouse/ClickHouse/blob/33aefa832b3c544934a757cc9d0e284252a1dd3e/src/Storages/MergeTree/MergeTreeIndexFullText.cpp#L809

Seems that `LowCardinality(String)` can be supported too, because we only use `column->getDataAt` to retrieve data and it will work on `LowCardinality(String)` in same way as for `String`
https://github.com/ClickHouse/ClickHouse/blob/33aefa832b3c544934a757cc9d0e284252a1dd3e/src/Storages/MergeTree/MergeTreeIndexFullText.cpp#L543
https://github.com/ClickHouse/ClickHouse/blob/33aefa832b3c544934a757cc9d0e284252a1dd3e/src/Storages/MergeTree/MergeTreeIndexFullText.cpp#L145
const auto & column = columns[tuple_idx];
        for (size_t row = 0; row < prepared_set->getTotalRowCount(); ++row)
        {
            bloom_filters.back().emplace_back(params);
            auto ref = column->getDataAt(row);
            token_extractor->stringPaddedToBloomFilter(ref.data, ref.size, bloom_filters.back().back());
        }
    }
    out.set_key_position = std::move(key_position);
    out.set_bloom_filters = std::move(bloom_filters);
    return true;
}
MergeTreeIndexGranulePtr MergeTreeIndexFullText::createIndexGranule() const
{
    return std::make_shared<MergeTreeIndexGranuleFullText>(index.name, index.column_names.size(), params);
}
MergeTreeIndexAggregatorPtr MergeTreeIndexFullText::createIndexAggregator() const
{
    return std::make_shared<MergeTreeIndexAggregatorFullText>(index.column_names, index.name, params, token_extractor.get());
}
MergeTreeIndexConditionPtr MergeTreeIndexFullText::createIndexCondition(
        const SelectQueryInfo & query, ContextPtr context) const
{
    return std::make_shared<MergeTreeConditionFullText>(query, context, index.sample_block, params, token_extractor.get());
};
bool MergeTreeIndexFullText::mayBenefitFromIndexForIn(const ASTPtr & node) const
{
    return std::find(std::cbegin(index.column_names), std::cend(index.column_names), node->getColumnName()) != std::cend(index.column_names);
}
MergeTreeIndexPtr bloomFilterIndexCreator(