nixos/shell: make sure zoxide is evaled latest

nixos/modules/shell.nix

@@ -39,15 +39,19 @@ in
       HISTCONTROL=ignoreboth
     '';
 
-    programs.bash.interactiveShellInit = ''
+    programs.bash.interactiveShellInit = lib.mkMerge [
+      ''
         HISTCONTROL=ignoreboth
         if test -n "$KITTY_INSTALLATION_DIR"; then
           export KITTY_SHELL_INTEGRATION="enabled,no-sudo"
           source "$KITTY_INSTALLATION_DIR/shell-integration/bash/kitty.bash"
         fi
-      eval "''$(zoxide init bash)"
         alias bye=exit
-    '';
+      ''
+      (lib.mkAfter ''
+        eval "''$(${lib.getExe pkgs.zoxide} init bash)"
+      '')
+    ];
 
     environment.etc."xdg/kitty/kitty.conf".text = ''
       font_family MesloLGS Nerd Font