feat(ios): unify list cards and loading states

apps/ios/Sources/MultiSimAdmin/Services/DefaultContainer.swift

@@ -1,6 +1,10 @@
 import Foundation
 
 enum DefaultContainer {
+    private static let credentials: any CredentialStore = FileCredentialStore(
+        location: documentFileURL("credentials.json")
+    )
+
     private static let logStore: any LogStore = FileLogStore(
         location: documentFileURL("log-center.json")
     )
@@ -15,7 +19,7 @@ enum DefaultContainer {
         FleetViewModel(
             repository: FileInstanceRepository(location: documentFileURL("instances.json")),
             probe: ConnectionProbe(client: SimAdminClient()),
-            credentials: KeychainCredentialStore()
+            credentials: credentials
         )
     }
 
@@ -26,7 +30,7 @@ enum DefaultContainer {
             service: MessageService(
                 client: SimAdminClient(),
                 sessions: InstanceSessionStore(),
-                credentials: KeychainCredentialStore()
+                credentials: credentials
             )
         )
     }
@@ -38,7 +42,7 @@ enum DefaultContainer {
             service: NotificationService(
                 client: SimAdminClient(),
                 sessions: InstanceSessionStore(),
-                credentials: KeychainCredentialStore()
+                credentials: credentials
             )
         )
     }
@@ -51,7 +55,7 @@ enum DefaultContainer {
             service: LogCenterService(
                 client: SimAdminClient(),
                 sessions: InstanceSessionStore(),
-                credentials: KeychainCredentialStore(),
+                credentials: credentials,
                 store: store
             ),
             store: store
@@ -70,7 +74,7 @@ enum DefaultContainer {
             service: DeviceService(
                 client: SimAdminClient(),
                 sessions: InstanceSessionStore(),
-                credentials: KeychainCredentialStore()
+                credentials: credentials
             )
         )
     }