fix lint error

Author: dadachi

NativeAppTemplate/App.swift

@@ -42,6 +42,7 @@ private final class NullSessionController: SessionControllerProtocol {
   var hasPermissions: Bool { false }
   var isLoggedIn: Bool { false }
   var client: NativeAppTemplateAPI { NativeAppTemplateAPI() }
+
   func login(email: String, password: String) async throws {}
   func logout() async throws {}
   func fetchPermissionsIfNeeded() {}

NativeAppTemplateTests/Demo/Data/Repositories/DemoAccountPasswordRepository.swift

@@ -50,4 +50,4 @@ final class DemoAccountPasswordRepository: AccountPasswordRepositoryProtocol {
     shouldThrowError = false
     errorMessage = "Invalid current password"
   }
-}
+}

NativeAppTemplateTests/Demo/Data/Repositories/DemoAccountPasswordRepositoryTest.swift

@@ -110,4 +110,4 @@ struct DemoAccountPasswordRepositoryTest {
       }
     }
   }
-}
+}

NativeAppTemplateTests/Demo/Data/Repositories/DemoItemTagRepository.swift

@@ -113,4 +113,4 @@ final class DemoItemTagRepository: ItemTagRepositoryProtocol {
       alreadyCompleted: false
     )
   }
-}
+}

NativeAppTemplateTests/Demo/Data/Repositories/DemoItemTagRepositoryTest.swift

@@ -118,4 +118,4 @@ struct DemoItemTagRepositoryTest {
       #expect(resetItemTag.customerReadAt == nil)
     }
   }
-}
+}

NativeAppTemplateTests/Demo/Data/Repositories/DemoShopRepository.swift

@@ -73,4 +73,4 @@ final class DemoShopRepository: ShopRepositoryProtocol {
       displayShopServerPath: "https://api.nativeapptemplate.com/display/shops/\(id)?type=server"
     )
   }
-}
+}