[Android/IME] Enter after the word in the middle of the heading paragraph causes an error in the console and the word disappears in GBoard

[dufipl]

📝 Provide detailed reproduction steps (if any)

1. Go to the all features manual test.
2. Try to enter a new line using the English GBoard keyboard after the end of some Heading 1 paragraph

✔️ Expected result

Enter possible

❌ Actual result

Enter works but deletes text and causes an error:

Uncaught DOMException: Failed to execute 'collapse' on 'Selection': The offset 6 is larger than the node's length (5).
    at Renderer._updateDomSelection (http://192.168.0.137:8125/ckeditor5/tests/manual/all-features.js:22407:22)
    at Renderer._updateSelection (http://192.168.0.137:8125/ckeditor5/tests/manual/all-features.js:22353:18)
    at Renderer.render (http://192.168.0.137:8125/ckeditor5/tests/manual/all-features.js:21900:14)
    at Renderer.<anonymous> (http://192.168.0.137:8125/ckeditor5/tests/manual/all-features.js:21737:22)
    at Renderer.fire (http://192.168.0.137:8125/ckeditor5/tests/manual/all-features.js:1526:47)
    at Renderer.set [as isComposing] (http://192.168.0.137:8125/ckeditor5/tests/manual/all-features.js:827:30)
    at updateBoundObservableProperty (http://192.168.0.137:8125/ckeditor5/tests/manual/all-features.js:1320:34)
    at http://192.168.0.137:8125/ckeditor5/tests/manual/all-features.js:1346:25
    at Set.forEach (<anonymous>)
    at Mixin.<anonymous> (http://192.168.0.137:8125/ckeditor5/tests/manual/all-features.js:1345:30)

📃 Other details

Branch: ck/11438-beforeinput-ime-research-vol1.1-android
Language: English
Keyboards: Tested on GBoard
Device: Pixel C emulator@Android v13 (API 33)

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[dufipl]

When enter is pressed in the middle of the word after some words have already disappeared, they show up again as nothing happened:

[Reinmar]

This issue may be related to #12368 (and the rest of the Enter problems).

[Acrophost]

Doesn't persist after fixes on ck/11438-beforeinput-ime-research-vol1.1-android