local calendar colors get reverted to DAVx5 green even when "Manage calendar colors" is disabled in DAVx5

[k4lizen]

Checklist

• I can reproduce the bug with the latest version given here.
• I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• I made sure that there are no existing discussions - open or closed - to which I could contribute my information.
• I have read the FAQs inside the app (Menu -> About -> FAQs) and my problem isn't listed.
• I have taken the time to fill in all the required details. I understand that the bug report will be dismissed otherwise.
• This issue contains only one bug.
• I have read and understood the contribution guidelines.

Affected app version

1.10.3

Affected Android/Custom ROM version

Android 10

Affected device model

Mi 9 Lite

How did you install the app?

F-Droid / IzzyOnDroid

Which calendar service or provider do you use, if any?

Baikal

Which sync adapter app do you use for calendar synchronization, if any?

DAVx5

Steps to reproduce the bug

1. Turn off "Manage calendar colors" in DAVx5
2. Turn off "Manage event colors" in DAVx5
3. Change color of synced calendar in fossify/calendar
4. exit app
5. reopen app
6. Color is not changed

Expected behavior

Color is changed

Actual behavior

Color is not changed

Screenshots/Screen recordings

No response

Additional information

I tried this in Etar calendar and it works. In fact when I change the color in Etar it is reflected in fossify calendar, but not the other way around.