Tor Browser's home doesn't have the background at the first load on Android

🐞 Bug Report

Reproduction steps

1. Do a fresh install of Tor Browser
2. Bootstrap
3. The home has a white background. Text is also white, so it can't be read.
4. Close the app
5. Reopen and bootstrap again
6. The home as correct colors
7. Go to the app settings
8. Clear all the data
9. Reopen the app and bootstrap again
10. The home is white again

Screenshot

Bookkeeping

• Browser version: 15.0a1
• Browser channel:
  • Release
  • Alpha
  • Nightly
• Distribution method:
  • Installer/archive from torproject.org
  • tor-browser-launcher
  • homebrew
  • other (please specify): installed unsigned build from tor-browser-build (so, basically the same we'll ship)
• Operating System:
  • Windows
  • macOS
  • Linux
  • Android
  • Tails
  • Other (please specify):
• Operating System Version: Android 16. Official image for tablet emulators (x86_64).