Fix bug caused by typo

Using colpass guid when setting txan asset reference, should use txan guid.

src/assets/material.cpp

@@ -838,7 +838,7 @@ void Assets::AddMaterialAsset_v15(CPakFile* const pak, const PakGuid_t assetGuid
     {
         pak->AddGuidDescriptor(&guids, hdrChunk.GetPointer(offsetof(MaterialAssetHeader_v15_t, textureAnimation)));
 
-        PakAsset_t* txanAsset = pak->GetAssetByGuid(matlAsset.colpassMaterial, nullptr, true);
+        PakAsset_t* txanAsset = pak->GetAssetByGuid(matlAsset.textureAnimation, nullptr, true);
 
         if (txanAsset)
             pak->SetCurrentAssetAsDependentForAsset(txanAsset);