fix(AutoComplete): prevent focus reset to body after selecting a value

[lukicenturi]

Closes #(issue_number)

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 48.71795% with 20 lines in your changes missing coverage. Please review.

Project coverage is 82.75%. Comparing base (8806c00) to head (dafafaa).

Files with missing lines	Patch %	Lines
...components/forms/auto-complete/RuiAutoComplete.vue	33.33%	20 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #327      +/-   ##
==========================================
- Coverage   82.85%   82.75%   -0.11%     
==========================================
  Files         115      115              
  Lines       10394    10412      +18     
  Branches     1285     1290       +5     
==========================================
+ Hits         8612     8616       +4     
- Misses       1782     1796      +14     

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[kelsos]

lgtm