Jules

Document fails to load after successful WSS handshake (old version `Nextcloud Office 8.6.1` works perfectly)

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**Environment information** * **Nextcloud version:** `31.0.4.1` * **Richdocuments app version:** `8.6.4` (Problem also observed briefly with 8.6.3 during testing) * **Collabora Docker image:** `collabora/code:latest` (Image ID starting `c9186...` as of...