Convert Archive Logger to an instance property (#763)

Sources/Site/Music/UI/ArchiveNavigation.swift

@@ -8,23 +8,21 @@
 import Foundation
 import os
 
-extension Logger {
-  static let archive = Logger(category: "archive")
-}
-
 @Observable final class ArchiveNavigation {
   var selectedCategory: ArchiveCategory?
   var navigationPath: [ArchivePath] = []
 
   @ObservationIgnored internal var pendingNavigationPath: [ArchivePath]?
 
+  private let archive = Logger(category: "archive")
+
   func restoreNavigation(selectedCategoryStorage: ArchiveCategory?, pathData: Data?) {
     if let selectedCategoryStorage {
       if let pathData {
         // Hold onto the loading navigationPath for after the selectedCategory changes.
         var pending = [ArchivePath]()
         pending.jsonData = pathData
-        Logger.archive.log(
+        archive.log(
           "pending save: \(pending.map { $0.formatted() }.joined(separator: ":"), privacy: .public)"
         )
         pendingNavigationPath = pending
@@ -42,23 +40,23 @@ extension Logger {
   func restorePendingData() {
     // Change the navigationPath after selectedCategory changes.
     if let pendingNavigationPath {
-      Logger.archive.log("pending restore")
+      archive.log("pending restore")
       navigationPath = pendingNavigationPath
       self.pendingNavigationPath = nil
     }
   }
 
   func navigate(to path: ArchivePath) {
     guard path != navigationPath.last else {
-      Logger.archive.log("already presented: \(path.formatted(), privacy: .public)")
+      archive.log("already presented: \(path.formatted(), privacy: .public)")
       return
     }
-    Logger.archive.log("nav to path: \(path.formatted(), privacy: .public)")
+    archive.log("nav to path: \(path.formatted(), privacy: .public)")
     navigationPath.append(path)
   }
 
   func navigate(to category: ArchiveCategory?) {
-    Logger.archive.log("nav to category: \(category?.rawValue ?? "nil", privacy: .public)")
+    archive.log("nav to category: \(category?.rawValue ?? "nil", privacy: .public)")
     selectedCategory = category
   }
 }