Fix deadlock reporting (#3550)

Deadlock reporting broke in e1ceb68 (last September); since then, it
was *off* when running debug builds normally, but *on* when debugging an
integration test. Both of which are exactly opposite of what we want.

pkg/gui/gui.go

@@ -662,7 +662,7 @@ func (gui *Gui) Run(startArgs appTypes.StartArgs) error {
  // disable deadlock reporting if we're not running in debug mode, or if
  // we're debugging an integration test. In this latter case, stopping at
  // breakpoints and stepping through code can easily take more than 30s.
- deadlock.Opts.Disable = !gui.Debug || os.Getenv(components.WAIT_FOR_DEBUGGER_ENV_VAR) == ""
+ deadlock.Opts.Disable = !gui.Debug || os.Getenv(components.WAIT_FOR_DEBUGGER_ENV_VAR) != ""
 
  if err := gui.Config.ReloadUserConfig(); err != nil {
  return nil