Unlock JSTypedArray for Embedded Swift

[kateinoigakukun]

API Change

• JSTypedArray is now a final class so that to be Embedded friendly
• JSUInt8ClampedArray no longer inherits JSTypedArray but now is aliased as JSTypedArray<JSUInt8Clamped>

[github-actions]

Time Change: +93ms (0%)

Total Time: 9,917ms

View Unchanged

Test name	Duration	Change
Serialization/JavaScript function call through Wasm import	24ms	-0ms
Serialization/JavaScript function call through Wasm import with int	23ms	-1ms
Serialization/JavaScript function call from Swift	129ms	-5ms (3%)
Serialization/Swift Int to JavaScript with assignment	335ms	+2ms (0%)
Serialization/Swift Int to JavaScript with call	984ms	-5ms (0%)
Serialization/JavaScript Number to Swift Int	263ms	+1ms
Serialization/Swift String to JavaScript with assignment	413ms	-0ms
Serialization/Swift String to JavaScript with call	1,080ms	+18ms (1%)
Serialization/JavaScript String to Swift String	3,722ms	+48ms (1%)
Object heap/Increment and decrement RC	2,909ms	+33ms (1%)

View Baselines

Test name	Duration
Serialization/Call JavaScript function directly	10ms
Serialization/Assign JavaScript number directly	8ms
Serialization/Call with JavaScript number directly	5ms
Serialization/Write JavaScript string directly	7ms
Serialization/Call with JavaScript string directly	6ms