Moved test database teardown into defer blocks and unified the one-decimal formatting in the Website service.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Services/Website/Sources/Library/Internal/Pages/SellerDashboardPage.swift

@@ -112,7 +112,7 @@ extension SellerDashboardPage: Page {
                     tile("\(offers.count)", "Open offers", offers.first.map { "next: \($0.expiresAt.countdown(from: now))" })
                     tile("\(viewer?.unreadMessages ?? 0)", "Unread conversations", nil)
                     tile("\(sales.count)", "Sales", "\(sales.count { $0.next == .sent }) awaiting your dispatch")
-                    tile(shop.rating.formatted(.number.precision(.fractionLength(1)).locale(.init(identifier: "en"))), "Rating", "\(shop.ratedSales) rated sales")
+                    tile(shop.rating.oneDecimal, "Rating", "\(shop.ratedSales) rated sales")
                 }
                 section(.class("card sell__panel")) {
                     div(.class("section-head")) {