Back button announced as unlabelled button in TalkBack

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What happened?

In our app (Eurostar), we are using v7.40.1 of react-native-navigation and the back button in the topBar reads out as either 'Unlabelled, button' or 'Detected icon, back, button'. It works as expected in VoiceOver/iOS and seems to be an Android only issue.

What was the expected behaviour?

With TalkBack turned on on Android tapping on the back button inside the topBar should announce 'Back, button'

Was it tested on latest react-native-navigation?

• I have tested this issue on the latest react-native-navigation release and it still reproduces.

Help us reproduce this issue!

Open the Eurostar app (latest version) and find a screen with a topBar - the log-in screen is a good example.

Link: https://play.google.com/store/apps/details?id=com.eurostar.androidapp&hl=en_GB&pli=1

In what environment did this happen?

React Native Navigation version: 7.40.1
React Native version: 0.74.6
Has Fabric (React Native's new rendering system) enabled: (yes/no)
Node version: 20.10.0
Device model: Galaxy A21s / SM-A2117F/DSN
Android version: S(Android 12)