Editor crash when pasting bolded list item from Word document in RTL

[FilipTokarski]

📝 Provide detailed reproduction steps (if any)

1. Open sample Word document.
2. Copy the list item (its text has to be bolded and has to be in RTL)
3. Paste into editor (can be RTL as well, but it happens in any editor)

✔️ Expected result

Content pastes correctly.

❌ Actual result

Crash:

Uncaught TypeError: Cannot read properties of undefined (reading 'is')
    at findListMarkerNode (list.ts:213:1)
    at findBulletedListStyle (list.ts:179:1)
    at detectListStyle (list.ts:157:1)
    at list.ts:42:1
    at Array.forEach (<anonymous>)
    at transformListItemLikeElementsIntoLists (list.ts:33:1)
    at MSWordNormalizer.execute (mswordnormalizer.ts:35:1)
    at clipboardPipeline.on.priority (pastefromoffice.ts:61:1)
    at ClipboardPipeline.fire (emittermixin.ts:146:1)
    at listenTo.priority (clipboardpipeline.ts:164:1)

📃 Other details

• Browser: any

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