"Super Dark" theme isn't black

### What happened?

Whenever I enable "Super dark" theme, it still doesn't use black background.

It uses dark blue background, and I need a black one, because I am on AMOLED.

What's the main idea behind super dark mode if it doesn't save battery?

Please fix

### App Version

7.11.2

### Android Version (API Level)

Android 16

### (Optional) Relevant log output

```shell

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