Fix hoods not hiding anything (#92285)

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## About The Pull Request
Fixes the issue with toggleable clothing not properly considering
obscured inv_flags slots
this is the issue related to this bug, but this solution is moreso a
hack than anything so i'm not closing the issue.
https://github.com/tgstation/tgstation/issues/85028
potential better fix at
https://github.com/DaedalusDock/daedalusdock/pull/826
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## Why It's Good For The Game
ew
<img width="93" height="107" alt="heretic_cosm"
src="https://github.com/user-attachments/assets/f560ebab-4e99-45bf-8ec2-ca04fe7f9b1e"
/>
good
<img width="106" height="103" alt="Screenshot 2025-07-23 224257"
src="https://github.com/user-attachments/assets/af61cb06-8578-4349-ab79-436e2cc7ee06"
/>



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🆑
fix: clothing with hood now correctly hides slots based on inv_flags
/🆑

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code/datums/components/toggle_attached_clothing.dm

@@ -140,6 +140,7 @@
 		parent_gear.icon_state = "[initial(parent_gear.post_init_icon_state) || initial(parent_gear.icon_state)][parent_icon_state_suffix]"
 		parent_gear.worn_icon_state = parent_gear.icon_state
 	parent_gear.update_slot_icon()
+	wearer.update_obscured_slots(deployable.flags_inv)
 	wearer.update_mob_action_buttons()
 
 /// Undeploy gear if it moves slots somehow