fix handling of `run` command flags

internal/cmd/root.go

···
 
 	rootCmd.PersistentFlags().String("dir", findSmallwebDir(), "The root directory for smallweb")
 	rootCmd.PersistentFlags().String("domain", "", "The domain for smallweb")
+	rootCmd.Flags().SetInterspersed(false)
 
 	rootCmd.AddCommand(NewCmdRun())
 	rootCmd.AddCommand(NewCmdOpen())

internal/cmd/run.go

···
 		},
 	}
 
+	cmd.Flags().SetInterspersed(false)
 	return cmd
 }