[TypedArrays] Apply code consistency fixes after checks with JSHint

test/built-ins/TypedArray/from/mapfn-is-not-callable.js

...-ins/TypedArray/prototype/byteOffset/return-byteoffset.js

...t-ins/TypedArray/prototype/every/values-are-not-cached.js

...ns/TypedArray/prototype/fill/fill-values-symbol-throws.js

...find/return-undefined-if-predicate-returns-false-value.js

...x/return-negative-one-if-predicate-returns-false-value.js

...Array/prototype/forEach/callbackfn-not-called-on-empty.js

...otype/indexOf/return-abrupt-tointeger-fromindex-symbol.js

...ay/prototype/indexOf/return-abrupt-tointeger-fromindex.js

...e/lastIndexOf/return-abrupt-tointeger-fromindex-symbol.js

...rototype/lastIndexOf/return-abrupt-tointeger-fromindex.js

...callbackfn-return-does-not-copy-non-integer-properties.js

...ray/prototype/some/returns-true-if-any-cb-returns-true.js

...lt-ins/TypedArray/prototype/some/values-are-not-cached.js

...uilt-ins/TypedArray/prototype/subarray/detached-buffer.js

...ubarray/speciesctor-get-species-custom-ctor-invocation.js

...prototype/subarray/speciesctor-get-species-custom-ctor.js

.../built-ins/TypedArrays/buffer-arg-length-access-throws.js

test/built-ins/TypedArrays/from/mapfn-is-not-callable.js

test/built-ins/TypedArrays/from/mapfn-this-with-thisarg.js