fix: user-agent format (#27488)

* fix: user-agent format

* ci: fix static analysis

---------

Co-authored-by: shenlong-tanwen <139912620+shalong-tanwen@users.noreply.github.com>

mobile/ios/Runner/Core/URLSessionManager.swift

@@ -36,7 +36,7 @@ extension UserDefaults {
 /// Old sessions are kept alive by Dart's FFI retain until all isolates release them.
 class URLSessionManager: NSObject {
   static let shared = URLSessionManager()
-  
+
   private(set) var session: URLSession
   let delegate: URLSessionManagerDelegate
   private static let cacheDir: URL = {
@@ -53,7 +53,7 @@ class URLSessionManager: NSObject {
   )
   static let userAgent: String = {
     let version = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as? String ?? "unknown"
-    return "Immich_iOS_\(version)"
+    return "immich-ios/\(version)"
   }()
   static let cookieStorage = HTTPCookieStorage.sharedCookieStorage(forGroupContainerIdentifier: APP_GROUP)
   private static var serverUrls: [String] = []