fix: balance card wrong oob swap

internal/ui/components/expense/expense.templ

@@ -86,10 +86,12 @@ templ BalanceCard(spaceID string, balance int, oob bool) {
 	<div
 		id="balance-card"
 		class="border rounded-lg p-4 bg-card text-card-foreground"
-		hx-swap-oob?={ oob }
 		hx-get={ "/app/spaces/" + spaceID + "/components/balance" }
 		hx-trigger="sse:balance_changed"
 		hx-swap="outerHTML"
+		if oob {
+			hx-swap-oob="true"
+		}
 	>
 		<h2 class="text-lg font-semibold">Current Balance</h2>
 		<p class={ "text-3xl font-bold", templ.KV("text-destructive", balance < 0) }>