fix: implement error handling in remoteConfigContent function

[tangcent]

fix #1106

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 62.008%. Comparing base (f3f8aa8) to head (d283a78).

Additional details and impacted files

@@               Coverage Diff               @@
##              master     #1115       +/-   ##
===============================================
- Coverage     62.009%   62.008%   -0.001%     
  Complexity      2285      2285               
===============================================
  Files            249       249               
  Lines          12095     12100        +5     
  Branches        2983      2984        +1     
===============================================
+ Hits            7500      7503        +3     
- Misses          2998      3000        +2     
  Partials        1597      1597               

Flag	Coverage Δ
unittests	62.008% <66.667%> (-0.001%)	⬇️

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Files	Coverage Δ
...ugin/settings/helper/RemoteConfigSettingsHelper.kt	69.231% <66.667%> (-1.357%)	⬇️

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