fix(MultiSelect): add StateHasChanged when call SetValue (#4781)

* fix(MultiSelect): add StateHasChanged to fix the issue where the component may not refresh

* Revert "fix(MultiSelect): add StateHasChanged to fix the issue where the component may not refresh"

This reverts commit a376e15.

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Co-authored-by: Argo Zhang <[email protected]>

Author: Ocrosoft