Onboarding text color readability not good

[AshAman999]

What

• Issue with text color visibility on onboarding screen in dark mode

Steps to reproduce the behavior

1. keep the phone in the dark mode,and start the app for the onboarding pages

Expected behavior

It seems the color is perhaps changing according to the theme, a default fixed black color for the text would fix the problem

Why

Part of

Screenshot/Mockup/Before-After

Smartphone model

• Device : RMX1851 (Android 11)

Additional context

(optional, delete if empty)

[AshAman999]

Same problem with the rest of the onboarding pages

[teolemon]

• dupe of #2022