Prevent a complete crash when DemoRecordingHelper fails

[IncPlusPlus]

There's no reason to completely fail when DemoRecordingHelper encounters an error.

[codecov]

Codecov Report

Merging #40 (91ab7c4) into main (043178d) will decrease coverage by 0.25%.
The diff coverage is 50.00%.

@@            Coverage Diff             @@
##             main      #40      +/-   ##
==========================================
- Coverage   58.53%   58.27%   -0.26%     
==========================================
  Files          15       15              
  Lines         463      465       +2     
  Branches       49       50       +1     
==========================================
  Hits          271      271              
- Misses        183      184       +1     
- Partials        9       10       +1     

Impacted Files	Coverage Δ
src/services/DemoRecordingHelper.ts	15.00% <0.00%> (-0.13%)	⬇️
src/utils/DemoNamingHelper.ts	45.45% <0.00%> (ø)
src/utils/TimeoutPromise.ts	66.66% <66.66%> (-3.93%)	⬇️
src/utils/SubscriberManager.ts	80.99% <100.00%> (ø)

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