allow binder lowering if type captures exist
allow binder lowering if type captures exist

this happens quite often for roles, as they bind
::?CLASS and $?CLASS for their methods when they are
composed.

I saw 55 cases of binder lowering being prevented by
the existence of type captures across CORE.setting.

jonathanstowe/rakudo,labster/rakudo,tbrowder/rakudo,sergot/rakudo,ugexe/rakudo,ungrim97/rakudo,nbrown/rakudo,nunorc/rakudo,tony-o/rakudo,Leont/rakudo,cygx/rakudo,cognominal/rakudo,laben/rakudo,zostay/rakudo,awwaiid/rakudo,cygx/rakudo,paultcochrane/rakudo,cygx/rakudo,nbrown/rakudo,lucasbuchala/rakudo,tony-o/rakudo,sjn/rakudo,ungrim97/rakudo,tony-o/rakudo,zostay/rakudo,b2gills/rakudo,nbrown/rakudo,rakudo/rakudo,Leont/rakudo,usev6/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,LLFourn/rakudo,paultcochrane/rakudo,MasterDuke17/rakudo,sergot/rakudo,jonathanstowe/rakudo,zhuomingliang/rakudo,LLFourn/rakudo,softmoth/rakudo,usev6/rakudo,raydiak/rakudo,samcv/rakudo,niner/rakudo,usev6/rakudo,skids/rakudo,rakudo/rakudo,lucasbuchala/rakudo,samcv/rakudo,sergot/rakudo,azawawi/rakudo,Leont/rakudo,nbrown/rakudo,softmoth/rakudo,raydiak/rakudo,samcv/rakudo,sjn/rakudo,MasterDuke17/rakudo,zostay/rakudo,ab5tract/rakudo,nunorc/rakudo,softmoth/rakudo,cognominal/rakudo,cognominal/rakudo,laben/rakudo,nbrown/rakudo,azawawi/rakudo,samcv/rakudo,nunorc/rakudo,b2gills/rakudo,dankogai/rakudo,labster/rakudo,MasterDuke17/rakudo,labster/rakudo,tbrowder/rakudo,zostay/rakudo,tbrowder/rakudo,usev6/rakudo,azawawi/rakudo,softmoth/rakudo,rakudo/rakudo,ugexe/rakudo,cygx/rakudo,rakudo/rakudo,azawawi/rakudo,ugexe/rakudo,skids/rakudo,laben/rakudo,Gnouc/rakudo,cygx/rakudo,azawawi/rakudo,dankogai/rakudo,labster/rakudo,salortiz/rakudo,rakudo/rakudo,paultcochrane/rakudo,b2gills/rakudo,salortiz/rakudo,nunorc/rakudo,Leont/rakudo,jonathanstowe/rakudo,ugexe/rakudo,ungrim97/rakudo,lucasbuchala/rakudo,tony-o/rakudo,raydiak/rakudo,dankogai/rakudo,usev6/rakudo,Gnouc/rakudo,salortiz/rakudo,Gnouc/rakudo,ab5tract/rakudo,labster/rakudo,skids/rakudo,LLFourn/rakudo,salortiz/rakudo,paultcochrane/rakudo,paultcochrane/rakudo,skids/rakudo,lucasbuchala/rakudo,sjn/rakudo,tony-o/rakudo,ugexe/rakudo,awwaiid/rakudo,dankogai/rakudo,tony-o/rakudo,skids/rakudo,niner/rakudo,ab5tract/rakudo,b2gills/rakudo,ungrim97/rakudo,LLFourn/rakudo,salortiz/rakudo,softmoth/rakudo,salortiz/rakudo,tbrowder/rakudo,tbrowder/rakudo,raydiak/rakudo,niner/rakudo,laben/rakudo,jonathanstowe/rakudo,Gnouc/rakudo,sjn/rakudo,samcv/rakudo,Gnouc/rakudo,cognominal/rakudo,sergot/rakudo,b2gills/rakudo,zhuomingliang/rakudo,Gnouc/rakudo,awwaiid/rakudo,sjn/rakudo,zhuomingliang/rakudo,ungrim97/rakudo,jonathanstowe/rakudo,rakudo/rakudo,ab5tract/rakudo,labster/rakudo,lucasbuchala/rakudo,awwaiid/rakudo,LLFourn/rakudo,MasterDuke17/rakudo,cognominal/rakudo,niner/rakudo,awwaiid/rakudo,dankogai/rakudo,ab5tract/rakudo,tbrowder/rakudo,zhuomingliang/rakudo,nbrown/rakudo