Replicate otk bug

[florianduros]

Checklist

• Tests written for new code (and old code if feasible).
• New or updated public/exported symbols have accurate TSDoc documentation.
• Linter and other CI checks pass.
• I have licensed the changes to Element by completing the Contributor License Agreement (CLA)

Launch playwright test advanced.spec.ts > should reset the cryptographic identity => POST /keys/upload

{
  "errcode": "M_UNKNOWN",
  "error": "One time key signed_curve25519:AAAAAAAAAA0 already exists. Old key: {\"key\":\"c6KZe6eMgI2y0tKqQduf7r93CW1br3a+A9s3g8zy6jg\",\"signatures\":{\"@user_33b2df594898fa24c0d7-fb2223c8838a7c1ba632:localhost\":{\"ed25519:KOEAXSFIZF\":\"NiV7SqZBk9cqLYLPxr7nzBr+UBHEbBoOutqSLy9bQXlZJshth1+oBHeEkuZe6e7JnkCLgb/URjl3LRgRRImbCA\"}}}; new key: {'key': 'riV60igmGdJQj5rS7JHdqKPm46eOr2mB8y/Zr1aqJyA', 'signatures': {'@user_33b2df594898fa24c0d7-fb2223c8838a7c1ba632:localhost': {'ed25519:KOEAXSFIZF': 'QTCl9+akmxvtD/wud5m8HbLqglVKuPffTMTuFvdd3yQRhtLyr5sVuiCdtrbZ/v5Fgmv5JdLcrSgNXa5EvKQPAw'}}}"
}