PATCH V2 [pve-common PATCH V2] Refactoring read_password. Change the variable names like Ditmar suggest. Remove flag undo_shadow and unset shadow always. [pve-manager PATCH V2] Refactoring read_password. No changes [pve-access-control PATCH V2] Refactoring read_password. No changes [pve-container PATCH V2] Refactoring read_password. No changes