Add missing feature flags

...built-ins/TypedArray/prototype/lastIndexOf/BigInt/name.js

...-ins/TypedArray/prototype/lastIndexOf/BigInt/prop-desc.js

test/built-ins/TypedArray/prototype/length/BigInt/length.js

test/built-ins/TypedArray/prototype/length/BigInt/name.js

...built-ins/TypedArray/prototype/length/BigInt/prop-desc.js

...ypedArray/prototype/map/BigInt/callbackfn-detachbuffer.js

test/built-ins/TypedArray/prototype/map/BigInt/length.js

test/built-ins/TypedArray/prototype/map/BigInt/name.js

test/built-ins/TypedArray/prototype/map/BigInt/prop-desc.js

...urn-new-typedarray-conversion-operation-consistent-nan.js

.../map/BigInt/return-new-typedarray-conversion-operation.js

...dArray/prototype/reduce/BigInt/callbackfn-detachbuffer.js

test/built-ins/TypedArray/prototype/reduce/BigInt/length.js

test/built-ins/TypedArray/prototype/reduce/BigInt/name.js

...built-ins/TypedArray/prototype/reduce/BigInt/prop-desc.js

...y/prototype/reduceRight/BigInt/callbackfn-detachbuffer.js

...ilt-ins/TypedArray/prototype/reduceRight/BigInt/length.js

...built-ins/TypedArray/prototype/reduceRight/BigInt/name.js

...-ins/TypedArray/prototype/reduceRight/BigInt/prop-desc.js

test/built-ins/TypedArray/prototype/reverse/BigInt/length.js