`main_title` is dropped after the pagination

[gmbecker]

Hi @gmbecker , thanks so much for the quick fix. Another issue with paginate_table, it seems that main_title was dropped after the pagination (main_footer is kept, which is good). Could you split the main_title to all pages please. Thanks!

Originally posted by @shajoezhu in https://github.com/Roche/rtables/issues/350#issuecomment-1208715288