Video: respect stride of efb copies to xfb

Source/Core/VideoBackends/OGL/TextureCache.cpp

@@ -269,7 +269,8 @@ void TextureCache::TCacheEntry::FromRenderTarget(u32 dstAddr, unsigned int dstFo
 			isIntensity,
 			dstFormat,
 			scaleByHalf,
-			srcRect);
+			srcRect,
+			copyMipMapStrideChannels * 32);
 
 		u8* dst = Memory::GetPointer(dstAddr);
 		u64 const new_hash = GetHash64(dst,encoded_size,g_ActiveConfig.iSafeTextureCache_ColorSamples);