[#1655] make sure old selected points are cleared

[valllllll2000]

Before the PR (what is the issue or what needed to be done)

NA

The solution

When switching map styles, the annotations were not properly reset, make sure to clear old points and reinitialize them

Screenshots (if appropriate)

NA

Reviewer Checklist

• [ ] Added an explanation about the work done
• [ ] Connected the PR and the issue on Zenhub
• [ ] Added a test plan to the issue
• [ ] Updated the copyright header
• [ ] Formatted the code per our style guide
• [ ] Added a documentation (if relevant)