Workaround for Play #4925

AddTempFileCreatorComponent.scala

import play.api._
import play.api.ApplicationLoader.Context

/**
 * Fix for missing DefaultTemporaryFileCreator injection (#4925)
 * Remove when next play version (2.4.3) is out.
 */
abstract class AddTempFileCreatorComponent(context: Context) extends BuiltInComponentsFromContext(context) {
  import play.api.inject.{ SimpleInjector, NewInstanceInjector, Injector, DefaultApplicationLifecycle }
  import play.api.libs.Files.DefaultTemporaryFileCreator

  lazy val defaultTemporaryFileCreator = new DefaultTemporaryFileCreator(applicationLifecycle)

  override lazy val injector: Injector = new SimpleInjector(NewInstanceInjector) + router + crypto + httpConfiguration + defaultTemporaryFileCreator
}