[Bug] Cannot change subscription group icon and channels

[SermanGavin]

Checklist

• I make sure that the issue is NOT a duplicate of pinned issues
• I make sure I am using the LATEST version - check here
• I understand that issues with limited impact, such as those occurring on specific devices or under specific network conditions, will not be fixed
• I have attached the error report in the issue

Version

5.0 (beta)

Describe the bug

I cannot change the icon of a group created, or inpoeted in 5.0.0b.

I alsp cant change the channles in groups but that may be related to #1603

Frequency

Always (100% of the time)

Device

FairPhone5

Steps to reproduce the bug

Subscriptions
Open a subscription
3 dot menu
Rename subscription
No option for icon change is shown
No option add/remove channels is shown

Additional context

No response