fix(select): run change detection after setting initial value

[yggg]

Fixes ExpressionChangedAfterItHasBeenCheckedError.

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• I read and followed the CONTRIBUTING.md guide.
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Short description of what this resolves:

Fixes ExpressionChangedAfterItHasBeenCheckedError

[codecov]

Codecov Report

Merging #898 into master will decrease coverage by 0.03%.
The diff coverage is 0%.

@@            Coverage Diff             @@
##           master     #898      +/-   ##
==========================================
- Coverage   76.79%   76.75%   -0.04%     
==========================================
  Files         201      201              
  Lines        5963     5967       +4     
  Branches      454      454              
==========================================
+ Hits         4579     4580       +1     
- Misses       1278     1282       +4     
+ Partials      106      105       -1

Impacted Files	Coverage Δ
...mework/theme/components/select/select.component.ts	84.18% <0%> (-0.48%)	⬇️
...ponents/accordion/accordion-item-body.component.ts	50% <0%> (-8.83%)	⬇️
src/framework/theme/theme.module.ts	95.23% <0%> (+4.76%)	⬆️

[Tibing]

Hi @yggg , how may I reproduce ExpressionChangedAfterItHasBeenCheckedError?

[yggg]

@Tibing

<nb-select [(selected)]="value">
  <nb-option *ngFor="...">
</nb-select>

[mahnuh]

@yggg @Tibing Is this fix available in v3.0.0?