Handle result_scan

[osipovartem]

Closes #161

Replace

select all_objects.*, is_iceberg
      from table(result_scan(last_query_id(-1))) all_objects
      left join INFORMATION_SCHEMA.tables as all_tables
        on all_tables.table_name = all_objects."name"
        and all_tables.table_schema = all_objects."schema_name"
        and all_tables.table_catalog = all_objects."database_name";

by

SELECT
   all_objects.* 
FROM
   (
      SELECT
         table_catalog AS 'database_name',
         table_schema AS 'schema_name',
         table_name AS 'name',
         CASE
            WHEN
               table_type = 'BASE TABLE' 
            THEN
               'TABLE' 
            ELSE
               table_type 
         END
         AS 'kind', NULL AS 'comment', 
         CASE
            WHEN
               table_type = 'BASE TABLE' 
            THEN
               true 
            ELSE
               false 
         END
         AS is_iceberg 
      FROM
         embucket.information_schema.tables
   )
   AS all_objects 
   LEFT JOIN
      embucket.INFORMATION_SCHEMA.tables AS all_tables 
      ON all_tables.table_name = all_objects.\"name\" 
      AND all_tables.table_schema = all_objects.\"schema_name\" 
      AND all_tables.table_catalog = all_objects.\"database_name\"

[DanCodedThis]

LGTM, only thing that caught my eye is the loop

The base branch was changed.