Fixes a possible runtime in future (#93097)

## About The Pull Request

If someones delete a keybind this runtime will appear.
<img width="689" height="172" alt="image"
src="https://github.com/user-attachments/assets/1fd9c6c3-00a7-4890-89ba-002943a06a32"
/>

This pr preverents it
## Why It's Good For The Game

Fixes are good, bugs are bad (except hk)
## Changelog
Not player faced

code/modules/client/preferences_savefile.dm

@@ -242,7 +242,6 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 		update_preferences(data_validity_integer, savefile)
 
 	check_keybindings() // this apparently fails every time and overwrites any unloaded prefs with the default values, so don't load anything after this line or it won't actually save
-	key_bindings_by_key = get_key_bindings_by_key(key_bindings)
 
 	//Sanitize
 	lastchangelog = sanitize_text(lastchangelog, initial(lastchangelog))
@@ -252,6 +251,8 @@ SAVEFILE UPDATING/VERSIONING - 'Simplified', or rather, more coder-friendly ~Car
 	key_bindings = sanitize_keybindings(key_bindings)
 	favorite_outfits = SANITIZE_LIST(favorite_outfits)
 
+	key_bindings_by_key = get_key_bindings_by_key(key_bindings)
+
 	if(SHOULD_UPDATE_DATA(data_validity_integer)) //save the updated version
 		var/old_default_slot = default_slot
 		var/old_max_save_slots = max_save_slots