fix(boa): fixes Array.protoype.includes

[neeldug]

This Pull Request fixes/closes #1306.

It changes the following:

• adds fromIndex
• adds infinity checking to indices

[Razican]

Test262 conformance changes:

Test result	master count	PR count	difference
Total	78,897	78,897	0
Passed	26,958	26,974	+16
Ignored	15,618	15,616	-2
Failed	36,321	36,307	-14
Panics	0	0	0
Conformance	34.17%	34.19%	+0.02%

Fixed tests:

test/built-ins/Array/prototype/includes/length-boundaries.js [strict mode] (previously Ignored)
test/built-ins/Array/prototype/includes/length-boundaries.js (previously Ignored)
test/built-ins/Array/prototype/includes/return-abrupt-tointeger-fromindex.js [strict mode] (previously Failed)
test/built-ins/Array/prototype/includes/return-abrupt-tointeger-fromindex.js (previously Failed)
test/built-ins/Array/prototype/includes/fromIndex-infinity.js [strict mode] (previously Failed)
test/built-ins/Array/prototype/includes/fromIndex-infinity.js (previously Failed)
test/built-ins/Array/prototype/includes/fromIndex-equal-or-greater-length-returns-false.js [strict mode] (previously Failed)
test/built-ins/Array/prototype/includes/fromIndex-equal-or-greater-length-returns-false.js (previously Failed)
test/built-ins/Array/prototype/includes/return-abrupt-tointeger-fromindex-symbol.js [strict mode] (previously Failed)
test/built-ins/Array/prototype/includes/return-abrupt-tointeger-fromindex-symbol.js (previously Failed)
test/built-ins/Array/prototype/includes/tointeger-fromindex.js [strict mode] (previously Failed)
test/built-ins/Array/prototype/includes/tointeger-fromindex.js (previously Failed)
test/built-ins/Array/prototype/includes/using-fromindex.js [strict mode] (previously Failed)
test/built-ins/Array/prototype/includes/using-fromindex.js (previously Failed)
test/built-ins/Array/prototype/includes/sparse.js [strict mode] (previously Failed)
test/built-ins/Array/prototype/includes/sparse.js (previously Failed)

[Razican]

Thanks for the fix!

[RageKnify]

Looks good, I'd just like a comment to make sure the code is easy to understand.

[Razican]

This just needs a rebase and we can merge it :)