feat: добавил отображение аватарки

backend/UniVerse.Api.Tests/Authorization/EndpointAuthorizationTests.cs

@@ -43,6 +43,7 @@ public class EndpointAuthorizationTests : IClassFixture<ApiWebApplicationFactory
 
         // ── Users — current user ──────────────────────────────────────────────
         yield return E("users/me GET [AnyAuth]",           "GET",    "api/v1/users/me",       "Student");
+        yield return E("users/me/photo [AnyAuth]",        "GET",    "api/v1/users/me/photo", "Student");
         yield return E("users/me PUT [AnyAuth]",           "PUT",    "api/v1/users/me",       "Student",
             body: """{"displayName":"Test","avatarUrl":null}""");
         yield return E("users/me/stats [AnyAuth]",         "GET",    "api/v1/users/me/stats", "Student");