[no gbp] Fixes uniform alt click while resting (#83231)

## About The Pull Request
Allow_resting was not enabled set for uniforms
## Why It's Good For The Game
Fixes #83225
## Changelog
:cl:
fix: You can adjust your uniform while lying down again
/:cl:

code/modules/clothing/under/_under.dm

@@ -11,6 +11,7 @@
 	drop_sound = 'sound/items/handling/cloth_drop.ogg'
 	pickup_sound = 'sound/items/handling/cloth_pickup.ogg'
 	limb_integrity = 30
+	interaction_flags_click = ALLOW_RESTING
 
 	/// Has this undersuit been freshly laundered and, as such, imparts a mood bonus for wearing
 	var/freshly_laundered = FALSE