Cannot read properties of null (reading 'blur') (inside toggleDropdown)

[Zavtramen]

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• Vue Version: 3.5.13
• Vue Select Version: 4.0.0-beta.6

Describe the bug
Inside toggleDropdown function sometimes "Cannot read properties of null (reading 'blur')" error happens
Looks like this.searchEl should be checked not only for undefined but for null as well.

Reproduction Link
Cant reproduce it by myself, this is the bug from JS error tracker (RollBar)

[gavmck]

Also getting this, but on the this.searchEl.focus a few lines down