fix(explore): Dedupe visualize y axis in sort

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.

:white_check_mark: All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
static/app/views/explore/toolbar/index.tsx	71.42%	2 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #81033 +/- ## ========================================== - Coverage 78.48% 78.48% -0.01% ========================================== Files 7210 7210 Lines 319520 319526 +6 Branches 43983 43984 +1 ========================================== + Hits 250775 250776 +1 - Misses 62346 62349 +3 - Partials 6399 6401 +2 ```