ensure new patterns from role is selected (bsc#1088883)

src/lib/installation/select_system_role.rb

@@ -24,6 +24,8 @@
 require "installation/system_role"
 
 Yast.import "GetInstArgs"
+Yast.import "Packages"
+Yast.import "Pkg"
 Yast.import "Popup"
 Yast.import "ProductControl"
 Yast.import "ProductFeatures"
@@ -191,6 +193,12 @@ def apply_role(role)
       log.info "Applying system role '#{role.id}'"
       role.overlay_features
       adapt_services(role)
+
+      # Reset pkg and pattern selection as many roles define own roles
+      # so ensure when going back that it will properly set (bsc#1088883)
+      Yast::Pkg.PkgApplReset
+      Yast::Packages.SelectSystemPatterns(false)
+      Yast::Pkg.PkgSolve(false)
     end
 
     # for given role sets in {::Installation::Services} list of services to enable