feat(AWS S3): Support Fn::If CF function for s3 event

[pgrzesik]

Closes: #10270

[codecov]

Codecov Report

Merging #10272 (02865d1) into master (44511f3) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master   #10272   +/-   ##
=======================================
  Coverage   85.39%   85.39%           
=======================================
  Files         339      339           
  Lines       13842    13842           
=======================================
  Hits        11821    11821           
  Misses       2021     2021           

Impacted Files	Coverage Δ
lib/plugins/aws/package/compile/events/s3/index.js	98.54% <ø> (ø)
lib/plugins/aws/provider.js	94.31% <ø> (ø)

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[medikoo]

Looks great 👍