App crashes when trying to delete marker

[dmlls]

Steps to reproduce

1. Select recording with markers.
2. Go to markers.
3. Select marker and try to delete it.
4. App crashes.

App information

• ID: de.dennisguse.opentracks
• Version: 5753 v4.12.3

Device information

• Brand: Xiaomi
• Device: beryllium
• Model: POCO F1
• Id: TQ3A.230901.001
• Product: beryllium

Firmware

• SDK: 33
• Release: 13
• Incremental: eng.root.20240507.191957

Cause of error

Exception in thread "main": java.lang.ClassCastException: de.dennisguse.opentracks.ui.markers.MarkerListActivity@289585 must implement DeleteMarkerCaller
    at de.dennisguse.opentracks.ui.markers.DeleteMarkerDialogFragment.onAttach(DeleteMarkerDialogFragment.java:60)
    at androidx.fragment.app.Fragment.performAttach(Fragment.java:2922)
    at androidx.fragment.app.FragmentStateManager.attach(FragmentStateManager.java:464)
    at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:275)
    at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2189)
    at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:2100)
    at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:2002)
    at androidx.fragment.app.FragmentManager$5.run(FragmentManager.java:524)
    at android.os.Handler.handleCallback(Handler.java:942)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loopOnce(Looper.java:201)
    at android.os.Looper.loop(Looper.java:288)
    at android.app.ActivityThread.main(ActivityThread.java:7924)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:548)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:936)

[Anke]

Same here:

`### App information

• ID: de.dennisguse.opentracks
• Version: 5753 v4.12.3

Device information

• Brand: google
• Device: husky
• Model: Pixel 8 Pro
• Id: xxx
• Product: husky

Firmware

• SDK: 34
• Release: 14
• Incremental: 11677807

Cause of error

Exception in thread "main": java.lang.ClassCastException: de.dennisguse.opentracks.ui.markers.MarkerListActivity@4ba66ee must implement DeleteMarkerCaller
    at de.dennisguse.opentracks.ui.markers.DeleteMarkerDialogFragment.onAttach(DeleteMarkerDialogFragment.java:60)
    at androidx.fragment.app.Fragment.performAttach(Fragment.java:2922)
    at androidx.fragment.app.FragmentStateManager.attach(FragmentStateManager.java:464)
    at androidx.fragment.app.FragmentStateManager.moveToExpectedState(FragmentStateManager.java:275)
    at androidx.fragment.app.FragmentManager.executeOpsTogether(FragmentManager.java:2189)
    at androidx.fragment.app.FragmentManager.removeRedundantOperationsAndExecute(FragmentManager.java:2100)
    at androidx.fragment.app.FragmentManager.execPendingActions(FragmentManager.java:2002)
    at androidx.fragment.app.FragmentManager$5.run(FragmentManager.java:524)
    at android.os.Handler.handleCallback(Handler.java:959)
    at android.os.Handler.dispatchMessage(Handler.java:100)
    at android.os.Looper.loopOnce(Looper.java:232)
    at android.os.Looper.loop(Looper.java:317)
    at android.app.ActivityThread.main(ActivityThread.java:8501)
    at java.lang.reflect.Method.invoke(Native Method)
    at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:552)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:878)