You may have more success posting this question in the 'Survey123' community instead of 'My Esri'. A forum moderator will be able to move it.
How are you adding the layer to dashboards? There is a note here around using GUID instead of ObjectID that may be relevant:
https://support.esri.com/en/technical-article/000022837
Did you create the form in Survey123 website or Survey123 Connect?
Which layer are you adding? i.e. the Hosted Feature Layer or one of the Fieldworker/Stakeholder Hosted Feature Layer Views?
