Duplicates of Swedish holidays

[holmgrendev]

Checklist

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

Affected app version

1.0.3

Affected Android/Custom ROM version

Android 14

Affected device model

Samsung Galaxy A53

How did you install the app?

Google Play Store

Steps to reproduce the bug

1. Go to "Add holidays"
2. Select "Sweden"
3. Go to Jan 1

Expected behavior

There shouldn't be duplicates

Actual behavior

There are duplicates of two of theese holidays:

1. Alla helgons dag
2. Allhelgonafton

Screenshots/Screen recordings

No response

Additional information

May be related to #365 "Alla helgons dag" and "Allhelgonaafton" can occure on different months depending on what year it is. app/src/main/assets/sweden.ics has dublicates of theese dates.

[Aga-C]

Please keep all issues regarding Swedish holidays in one bug report: https://github.com/FossifyOrg/Calendar/issues/365.