Uploading a projet with a representation having an unknown description ID leads to a deadlock

[theogiraudet]

• I have checked that this bug has not yet been reported by someone else
• I have checked that this bug appears on Chrome
• I have specified the version :

• latest
• other: please specify

• I have specified my environment :

• All
• my computer: Windows? Linux? Cloud?
• Cloud

Screenshots

...

Steps to reproduce

• Download a project with a portal representation
• Modify inside the IDs of the portal representation description
• Upload the project in Sirius Web

Expected behavior

The project is rejected since invalid OR the project is correctly uploaded without the representation.

Actual behavior

Sirius Web is stuck on the upload.

[theogiraudet]

This issue is probably a particular case of #1751.
However, this provides a concrete example of situations in which this problem can occur.