Check_MK Werk 4598: Folder tables in ruleset edit dialog can now be folded

ID: 4598 Title: Folder tables in ruleset edit dialog can now be folded Component: WATO Level: 1 Class: New feature Version: 1.5.0i1 For a more comfortable editing of a large number of rules in a single ruleset it is now possible to fold the rules based on the folders. We also added the number of rules per folder to the folder title.