Dot Product Normalization does not produce consistent results

When using a Normalize node and then trying to get the Dot Product vs setting the Dot Product up manually do not produce the same results.

1. Open UE4
2. Create a New Material
3. Recreate the image

Results: When Dot Product is Normalized it does not produce the same results as when doing the Dot Product manually.

Expected: Manual Dot Product calculation vs using the Dot Product node should match.

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