Material3

[theimpulson]

Sumary

This PR migrates Seedvault to use Material3.

Issues

• https://github.com/seedvault-app/seedvault/issues/644

Test

Everything passes locally

[theimpulson]

Switches look really bad right now. At best I can copy the colors from datura and design from AOSP's settingsLib but unless we have gradle builds or AOSP updates the material components library, it is going to look bad.

[grote]

> Task :app:ktlintMainSourceSetCheck FAILED
app/src/main/java/com/stevesoltys/seedvault/settings/preference/M3ListPreference.kt:47:1 Needless blank line(s) (no-consecutive-blank-lines)

[grote]

colors seem wrong here:

[grote]

For some reason, the exclamation mark error icon isn't red anymore:

In dark theme it is even worse, because dark greyish.

[theimpulson]

The only issue I can see right now is MD3 switches having wrong color in dark theme.