Mipmaps are broken in 1.13 on Xbox in HD packs

Partner Team Reporting: 
Syclone Studios

Partner Rank: 
1

Verification builds and Platforms:
ver. 1.13 live

Summary:
After the 1.13 update users experience broken mipmaps in the distance when playing on Xbox.

Impact:
Causes unintended visual effects.

Repro Steps:

     1. Download the "Chroma Hills" resource pack from the marketplace.
     2. Load the pack on Xbox.
     3. View a large ocean.

Observed Results:
Water texture becomes staticy almost in appearance.

Expected Result:
Mipmaps allow textures to be viewed normally.

Regression Build:
Did not occur in 1.12

Notes: