fix(AWS API Gateway): Ensure consistent default for cors conf

[issea1015]

Closes: #9858

[codecov]

Codecov Report

Merging #9909 (109fc8f) into master (f096440) will decrease coverage by 0.06%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #9909      +/-   ##
==========================================
- Coverage   86.25%   86.18%   -0.07%     
==========================================
  Files         330      330              
  Lines       12879    13005     +126     
==========================================
+ Hits        11109    11209     +100     
- Misses       1770     1796      +26     

Impacted Files	Coverage Δ
...ins/aws/package/compile/events/apiGateway/index.js	93.65% <ø> (+0.20%)	⬆️
.../package/compile/events/apiGateway/lib/validate.js	96.84% <100.00%> (-0.50%)	⬇️
lib/plugins/aws/info/display.js	77.14% <0.00%> (-12.02%)	⬇️
lib/plugins/aws/deploy/lib/extendedValidate.js	95.23% <0.00%> (-4.77%)	⬇️
lib/plugins/aws/deploy/index.js	96.36% <0.00%> (-3.64%)	⬇️
lib/plugins/aws/lib/monitorStack.js	94.56% <0.00%> (-2.88%)	⬇️
lib/classes/CLI.js	91.42% <0.00%> (-2.86%)	⬇️
lib/classes/PluginManager.js	94.65% <0.00%> (-0.51%)	⬇️
.../compile/events/apiGateway/lib/requestValidator.js	98.38% <0.00%> (-0.13%)	⬇️
... and 19 more

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[issea1015]

Let it add a test to assert this

[issea1015]

Ready to be reviewed

[pgrzesik]

Thank you @issea1015 - looks good, I only have a few minor questions - please let me know what do you think 🙇

[issea1015]

@pgrzesik Thanks for the feedback :) I will resolve them and let you know.

[pgrzesik]

Thank you @issea1015 🙇 While the refactoring looks nice, I would rather avoid it, please see my comment about testing and let me know what do you think

[issea1015]

@pgrzesik Thanks for the guidance! Let me take a look and resolve them.

[pgrzesik]

Thank you @issea1015 - it looks awesome, there's one last small thing related to test and we're good to go 👍

[issea1015]

Thank you for all of these kind guidances 👍 👍 @pgrzesik

[pgrzesik]

Great job @issea1015 👏