Citation payments check for valid amount (#76760)

## About The Pull Request

Fixes https://github.com/tgstation/tgstation/issues/76705

## Why It's Good For The Game

Citations shouldn't be exploitable for free money.

## Changelog

🆑 LT3
fix: Security records no longer accept negative values for citation
payment
/🆑

code/datums/records/crime.dm

@@ -32,6 +32,9 @@
 
 /// Pays off a fine and attempts to fix any weird values.
 /datum/crime/citation/proc/pay_fine(amount)
+	if(amount <= 0)
+		return FALSE
+
 	paid += amount
 	if(paid > fine)
 		paid = fine