fix: DoWait byteIndexInBuffer is miscalculated

Author: aapoalas

spec.html

@@ -46570,7 +46570,7 @@ <h1>
           1. Let _taRecord_ be ? ValidateIntegerTypedArray(_typedArray_, *true*).
           1. Let _buffer_ be _taRecord_.[[Object]].[[ViewedArrayBuffer]].
           1. If IsSharedArrayBuffer(_buffer_) is *false*, throw a *TypeError* exception.
-          1. Let _i_ be ? ValidateAtomicAccess(_taRecord_, _index_).
+          1. Let _byteIndexInBuffer_ be ? ValidateAtomicAccess(_taRecord_, _index_).
           1. Let _arrayTypeName_ be _typedArray_.[[TypedArrayName]].
           1. If _arrayTypeName_ is *"BigInt64Array"*, let _v_ be ? ToBigInt64(_value_).
           1. Else, let _v_ be ? ToInt32(_value_).
@@ -46579,7 +46579,6 @@ <h1>
           1. If _mode_ is ~sync~ and AgentCanSuspend() is *false*, throw a *TypeError* exception.
           1. Let _block_ be _buffer_.[[ArrayBufferData]].
           1. Let _offset_ be _typedArray_.[[ByteOffset]].
-          1. Let _byteIndexInBuffer_ be (_i_ × 4) + _offset_.
           1. Let _WL_ be GetWaiterList(_block_, _byteIndexInBuffer_).
           1. If _mode_ is ~sync~, then
             1. Let _promiseCapability_ be ~blocking~.