perf: use Set to improve perf when read current Select Editor values

[ghiscoding]

• similar to PR #1670, we can use a Set to improve perf by using O(n) instead of O(n square)

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Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 99.8%. Comparing base (0ff047d) to head (56dfe92). Report is 3 commits behind head on master.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1673 +/- ## ======================================== + Coverage 99.8% 99.8% +0.1% ======================================== Files 187 187 Lines 31078 31080 +2 Branches 9787 9788 +1 ======================================== + Hits 30989 30991 +2 Misses 89 89 ```

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