Refactor AppDatabaseUpdater for per-server updates

Sources/App/Scenes/WebViewSceneDelegate.swift

@@ -178,9 +178,6 @@ final class WebViewSceneDelegate: NSObject, UIWindowSceneDelegate {
         Current.modelManager.subscribe(isAppInForeground: {
             UIApplication.shared.applicationState == .active
         })
-
-        await Current.appDatabaseUpdater.update()
-        Current.panelsUpdater.update()
     }
 
     /// Force update location when user opens the app

Sources/App/Settings/Settings/SettingsView.swift

@@ -22,7 +22,9 @@ struct SettingsView: View {
         .onAppear {
             appDatabaseUpdaterTask?.cancel()
             appDatabaseUpdaterTask = Task {
-                await Current.appDatabaseUpdater.update()
+                for server in Current.servers.all {
+                    await Current.appDatabaseUpdater.update(server: server)
+                }
             }
         }
     }

Sources/App/WebView/WebViewController.swift

@@ -740,6 +740,11 @@ final class WebViewController: UIViewController, WKNavigationDelegate, WKUIDeleg
         DispatchQueue.main.async { [self] in
             loadActiveURLIfNeeded()
         }
+
+        Task {
+            await Current.appDatabaseUpdater.update(server: server)
+            Current.panelsUpdater.update()
+        }
     }
 
     private func showNoActiveURLError() {