[BUG] Logout doesn't work

[IgorChaus]

Summary

Method SumUpAPI.isLoggedIn() returns true after calling SumUpAPI.logout()

Steps to Reproduce

1. Login using access token
2. Call SumUpAPI.logout()
3. Call SumUpAPI.isLoggedIn()

Expected Result

isLoggedIn() should return false

Actual Result

isLoggedIn() returns true

Android Version(s)

Android 15

Impacted Devices

Pixel 5

Dependency Versions

• SumUp SDK: 7.1
• Kotlin: 2.1.0
• Android Gradle Plugin: 8.12.0
• Gradle: 8.13