nixos/vmware-guest: add display-manager to after and add ConditionVirtualization
nixos/vmware-guest: add display-manager to after and
add ConditionVirtualization

and remove unneeded before and wants which are not in the upstream
package, the wantedBy should be enough

NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs,NixOS/nixpkgs