Fix add_points_with_properties example

[kevinyamauchi]

Description

This PR fixes the points with properties example. The point toggling in add_points_with_properties.py was broken by #1033 when Points.selected_data became a set.

Type of change

• Bug-fix (non-breaking change which fixes an issue)

References

How has this been tested?

• tested the example
• all tests pass with my change

Final checklist:

• My PR is the minimum possible work for the desired functionality
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works

[codecov]

Codecov Report

Merging #1126 into master will increase coverage by 0.00%.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1126   +/-   ##
=======================================
  Coverage   86.98%   86.98%           
=======================================
  Files         220      220           
  Lines       19379    19379           
=======================================
+ Hits        16856    16857    +1     
+ Misses       2523     2522    -1     

Impacted Files	Coverage Δ
napari/conftest.py	96.55% <0.00%> (+3.44%)	⬆️

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[sofroniewn]

LGTM! Thanks for catching

[kevinyamauchi]

@adamltyson, I just wanted to put this on your radar in case you are still using this functionality. Points.selected_data will be changed from a list to a set in the next release, so you may need to update how you are slicing/indexing if you're using Points.selected_data to interact with your data (e.g., properties/annotations). I hope all is well!

[adamltyson]

Thanks for the heads up @kevinyamauchi. I am using Points.selected_data, so I'll update my code.

Thanks again for adding this functionality.