Add ToArray() to ConcurrentObservableCollection

[StefH]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 71.42857% with 2 lines in your changes missing coverage. Please review.

Project coverage is 36.71%. Comparing base (e7d442e) to head (75ca30b).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
...ireMock.Net/Util/ConcurrentObservableCollection.cs	71.42%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1256      +/-   ##
==========================================
+ Coverage   35.06%   36.71%   +1.64%     
==========================================
  Files         227      227              
  Lines       44741    41290    -3451     
==========================================
- Hits        15690    15160     -530     
+ Misses      28283    25443    -2840     
+ Partials      768      687      -81     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[rinkeb]

LGTM