Improve Array.prototype.splice typing

[kitsonk]

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Improves the typing of Array.prototype.splice so that when only passing the first two arguments with an intersection type, you do not get a confusing and useless Supplied parameters do not match any signature of call target. error.

Fixes #11205

[msftclas]

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[masaeedu]

@mhegazy Could this please be merged? Keep running into #11205.

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[mhegazy]

sorry for the delay.