Fix actor reminder and timer period parameter

[heunghingwan]

Description

Allow undefined reminder and timer periods

Issue reference

issue this PR will close: #535

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[shubham1172]

Hi @heunghingwan, could you please add a test for this too? You could update the implementation here https://github.com/dapr/js-sdk/blob/main/test/actor/DemoActorReminderImpl.ts to take in a parameterized period, and use it in an e2e test.

[codecov]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (b063e10) 100.00% compared to head (21aaa6f) 35.28%.

Additional details and impacted files

@@             Coverage Diff              @@
##              main     #536       +/-   ##
============================================
- Coverage   100.00%   35.28%   -64.72%     
============================================
  Files            1       91       +90     
  Lines            6    10445    +10439     
  Branches         1      410      +409     
============================================
+ Hits             6     3686     +3680     
- Misses           0     6700     +6700     
- Partials         0       59       +59     

Files	Coverage Δ
src/actors/client/ActorClient/ActorClientHTTP.ts	4.54% <0.00%> (ø)

... and 89 files with indirect coverage changes

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[shubham1172]

Thank you so much for the PR and adding tests @heunghingwan!