Add "only adresses" or "preserve database" checkbox when merging patch

Hi,
on tour, it would be usefull to merge patch file  from  a venue made by electricians in a show without deleting database information from channels.
I found a way to do it. in advanced merging , i change target of new patch on dummy channels, then, in patch I need to swap adresses between dummy channels et original channels to preserve database (labels, notes, attributes....).

Maybe it already exists????

Thanks