Clothes of other avatars are rendered skin tight

[akleshchev]

Legacy clothes work correctly for self, but render skin tight for other avatars.

"Boy Next Door" outfit from the Library.

[aiaustin]

System Clothing Pants/Trousers with Pants Length = 100 is a simple way to see this issue.

[Dan-Linden]

Passed QA.
Verified on Second Life Release 26.2.0.21655710006 on Win11/OSX in the scope of https://github.com/secondlife/iqa/issues/606

[thesoundofonemanlaughing]

This affects all system clothing layers.

The trouser layers in my illustration are from Ghostraven Professional Attire.
https://marketplace.secondlife.com/en-US/stores/198624/search?utf8=%E2%9C%93&search%5Bkeywords%5D=men%27s+trousers&search%5Bcategory_id%5D=3&search%5Bmaturity_level%5D=GMA