[com.google.android.gms] @dirty@30Mar2021 : Crash instead of push notification confirmation

Affected app
Name: GmsCore [0.2.18.204714-dirty] built from source @ 30 Mar 2021
Package id: com.google.android.gms

Describe the bug
microG crashes when app asking to register on push notification service with "Ask before registering a new app to receive push notifications" option enabled. Error exists after commit https://github.com/microg/GmsCore/commit/91b0f6893f9848354af7654b3cebc842615bcd7f

To Reproduce
Steps to reproduce the behavior:

1. Enable "Ask before registering a new app to receive push notifications"
2. Run any newly installed app which would try to register on push notification service
3. Catch error

System
Android Version: 7.1.3
Stock ROM: Sony Xperia Z5 Compact E5823 32.4.A.1.54

microG
microG Core version: [0.2.18.204714-dirty] built from source @ 30 Mar 2021
microG Self-Check results: [All ticked]

Logcat

Description:java.lang.RuntimeException: Unable to start activity ComponentInfo{com.google.android.gms/org.microg.gms.ui.AskPushPermission}: android.view.InflateException: Binary XML file line #61: Binary XML file line #61: Error inflating class

Start by comparing the changes in commit 91b0f6893f9848354af7654b3cebc842615bcd7f and inspect the AskPushPermission activity and its layout around binary XML line 61. Reproduce the flow with push-registration confirmation enabled and verify that the confirmation screen opens without the InflateException.