fix: Collaboration feature not working for iOS

[tamang29]

Before you start

• I searched the existing issues and discussions and did not find a duplicate.
• I can reproduce this on the live demo (https://apollon.aet.cit.tum.de) or the latest @tumaet/apollon.

Describe the bug

When starting collaboration on iOS device, i get an error message

Steps to reproduce

1. Create a diagram
   2)Share the diagram

Expected behaviour

Collaboration working as expected.
Hypothesis: Check the env variable during build time

Area

None

Screenshots or recording

No response

Browser

No response

Operating system

No response

Apollon version

No response

Browser console output