Array.prototype.filter.not.forcing.boolean

[NimaZahedi]

Fixes #

Changed the return value of Array.prototype.filter, use any instead of boolean!
based on this issue: #5850

[msftclas]

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[RyanCavanaugh]

Looks like you ran baseline-accept at the wrong time and nuked 20,000+ baseline files. Can you try again on a new PR (or force push up a fresh head commit) so we don't have you listed as the git blame on all these files? Thanks!