CLI `--edit` option no longer works

[philwebb]

java.awt.HeadlessException
    at java.awt.Desktop.getDesktop(Desktop.java:142)
    at org.springframework.boot.cli.command.run.RunCommand$RunOptionHandler.run(RunCommand.java:103)
    at org.springframework.boot.cli.command.options.OptionHandler.run(OptionHandler.java:91)
    at org.springframework.boot.cli.command.OptionParsingCommand.run(OptionParsingCommand.java:52)
    at org.springframework.boot.cli.command.CommandRunner.run(CommandRunner.java:212)
    at org.springframework.boot.cli.command.CommandRunner.runAndHandleErrors(CommandRunner.java:169)
    at org.springframework.boot.cli.SpringCli.main(SpringCli.java:49)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:483)
    at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:53)
    at java.lang.Thread.run(Thread.java:744)