Use resize_no_construct when creating a buffer asset, since the initial data is going to be memcopy'd anyways. (#4249)

Signed-off-by: amzn-tommy <waltont@amazon.com>

Gems/Atom/RPI/Code/Source/RPI.Reflect/Buffer/BufferAssetCreator.cpp

@@ -57,7 +57,7 @@ namespace AZ
             // Only allocate buffer if initial data is not empty
             if (initialData != nullptr && initialDataSize > 0)
             {
-                bufferAsset->m_buffer.resize(descriptor.m_byteCount);
+                bufferAsset->m_buffer.resize_no_construct(descriptor.m_byteCount);
                 memcpy(bufferAsset->m_buffer.data(), initialData, initialDataSize);
             }