Launch Screen does not respect OS dark theme

[iccub]

Description:

Steps to Reproduce

1. Set your iphone theme to dark
2. Open the app to show launch screen, keep killing and reopening the app to see the effect

Actual result: Shows white launch screen

Expected result:

Reproduces how often: [Easily reproduced, Intermittent Issue]

Brave Version:

Device details:

Website problems only:

• did you check with Brave Shields down?
• did you check in Safari/Firefox (WkWebView-based browsers)?

Additional Information