feat: добавил отображение аватарки

backend/UniVerse.Api.Tests/Auth/AuthServiceTests.cs

@@ -91,6 +91,7 @@ public class AuthServiceTests
         var user = await db.Users.Include(u => u.TeacherProfile).SingleAsync();
         Assert.Equal("sso-sub-1", user.MicrosoftId);
         Assert.Equal("person-1", user.TeacherProfile?.ModeusId);
+        await microsoftAuth.Received(1).SaveTokenCacheAsync(10, Arg.Any<MicrosoftTokenResult>(), Arg.Any<CancellationToken>());
     }
 
     private static AppDbContext CreateDbContext()