Feat/noop trigger

[nnixaa]

Please read and mark the following check list before creating a pull request:

• [] I read and followed the CONTRIBUTING.md guide.
• [] I read and followed the New Feature Checklist guide.

Short description of what this resolves:

[Tibing]

Let's add a mention about noop here.

[nnixaa]

@Tibing done

[codecov]

Codecov Report

Merging #1133 into master will increase coverage by 0.26%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1133      +/-   ##
==========================================
+ Coverage   77.91%   78.18%   +0.26%     
==========================================
  Files         200      200              
  Lines        6094     6096       +2     
  Branches      472      472              
==========================================
+ Hits         4748     4766      +18     
+ Misses       1235     1218      -17     
- Partials      111      112       +1

Impacted Files	Coverage Δ
...work/theme/components/popover/popover.directive.ts	86.88% <ø> (ø)	⬆️
...rk/theme/components/cdk/overlay/overlay-trigger.ts	96.93% <100%> (+0.06%)	⬆️
...heme/components/datepicker/datepicker.component.ts	85.52% <0%> (+2.63%)	⬆️
.../theme/components/datepicker/datepicker-adapter.ts	67.64% <0%> (+2.94%)	⬆️
...heme/components/datepicker/datepicker.directive.ts	73.58% <0%> (+10.37%)	⬆️