Describe the bug

Given a configuration where the ios_content_mode is specified, but no image is specified, a black LaunchImage is created and the splash screen is black.

Configuration

  android_gravity: fill
  color: '#081B39'
  fullscreen: true

  ios_content_mode: scaleAspectFill

  # web
  web: false
  web_image_mode: cover

Device (please complete the following information):

• iPhone
• OS: iOS 17

To Reproduce
Steps to reproduce the behavior, using the example app:

1. Set the config on the example app to '...'
2. Run in an emulator configured with '...'
3. See error

Screenshots
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Additional context
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