Transmog reset after repairing gear

if you repair a broken transmogged piece of a gear the repairing remove the transmog leaving the icon of the transmogged item test vid : https://dl.dropboxusercontent.com/scl/fi/btvlzaygfn07hriyit7jh/5GUIHCoY5j.mp4?rlkey=juwi4tvbgfkyqy0xvmcqtuxlc&dl=0

-
- equip any purple item
- .go c i 190010
- transmog it
- try to lose durability by falling from above and reviving
- go repair ur gear once it become red
- observe how u lose ur transmog

Reproduce the issue using the listed in-game steps: equip a purple item, apply the transmog, lose durability, and repair it after it becomes red. Trace the repair and transmog behavior, then verify that repairing the item preserves its transmog appearance and icon.

Written by the indexing model from the issue text.