[DA] Planetscale engine tests: json filtering

[miguelff]

This is a subcluster of failures after having enabled planetscale tests in #4423

Failing tests in this cluster:

queries::filters::field_reference::json_filter::json_filter::array_comparison_filters
queries::filters::field_reference::json_filter::json_filter::string_comparison_filters
queries::filters::json_filters::json_filters::array_contains
queries::filters::json_filters::json_filters::array_ends_with
queries::filters::json_filters::json_filters::array_starts_with
queries::filters::json_filters::json_filters::no_path_without_filter
queries::filters::json_filters::json_filters::string_contains
queries::filters::json_filters::json_filters::string_ends_with
queries::filters::json_filters::json_filters::string_starts_with

Please follow this process

[jkomyno]

Fixed via #4733.