fix(typeahead): fix autoselect on tab key with typeaheadMinLength=0

[IlyaSurmay]

fixes #3106

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[codecov]

Codecov Report

Merging #3378 into development will decrease coverage by 0.01%.
The diff coverage is 0%.

@@               Coverage Diff               @@
##           development    #3378      +/-   ##
===============================================
- Coverage        65.03%   65.02%   -0.02%     
===============================================
  Files              210      210              
  Lines             5691     5692       +1     
  Branches          1000     1000              
===============================================
  Hits              3701     3701              
- Misses            1724     1725       +1     
  Partials           266      266

Impacted Files	Coverage Δ
src/typeahead/typeahead.directive.ts	74.87% <0%> (-0.39%)	⬇️

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