fix(select): Should listen for item changes

[trimox]

closes #2059

[codecov]

Codecov Report

Merging #2060 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #2060      +/-   ##
==========================================
+ Coverage   90.18%   90.21%   +0.02%     
==========================================
  Files         100      100              
  Lines        4250     4252       +2     
  Branches      551      551              
==========================================
+ Hits         3833     3836       +3     
+ Misses        207      206       -1     
  Partials      210      210              

Impacted Files	Coverage Δ
packages/dialog/dialog.component.ts	85.33% <0.00%> (+1.33%)	⬆️

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