[de.hafas.android.db] DB Navigator - Map does not work

[derjasper]

Affected app
Name: DB Navigator
Package id: de.hafas.android.db

Describe the bug
The map does not zoom to the current location properly, does not show any markers, and the overlay controls (search bar etc) cannot be clicked.

To Reproduce
Steps to reproduce the behavior:

1. Open the app.
2. Click on the map icon on the top right.
3. To see that there are no markers, zoom in to any city in Germany.
4. See error

Expected behavior
A map with markers showing railway stations and bus stops etc. See https://assets.static-bahn.de/.imaging/focalpoint/560x744/dam/jcr:f04f503a-6dc4-409e-948f-24b11569c6c9/dbnav_karte_DE.png

Screenshots

System
Android Version: 14
Custom ROM: CalyxOS 5.6.3

microG
microG Core version: 0.3.240913-23
microG Self-Check results: All ticked

Additional context
Other similar apps (public transport apps, bike sharing, etc) all work as expected.