store screen tree_nodes in map instead of vector
store screen tree_nodes in map instead of vector

koekeishiya/kwm,akdor1154/kwm,akdor1154/kwm,a-morales/kwm,a-morales/kwm,koekeishiya/kwm,koekeishiya/kwm,akdor1154/kwm,cHoco/kwm,cHoco/kwm,a-morales/kwm,cHoco/kwm