commands: Reinstate some of the removed build flags (e.g. --theme) to new and mod

Fixes #11018

commands/deploy_off.go

@@ -41,7 +41,7 @@ func newDeployCommand() simplecobra.Commander {
 		run: func(ctx context.Context, cd *simplecobra.Commandeer, r *rootCommand, args []string) error {
 			return nil
 		},
-		withc: func(cmd *cobra.Command) {
+		withc: func(cmd *cobra.Command, r *rootCommand) {
 			cmd.Hidden = true
 		},
 	}