Fixed missing uploads authorization check

Program.cs

@@ -1,3 +1,4 @@
+using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.AspNetCore.Localization;
 using Microsoft.EntityFrameworkCore;
@@ -94,7 +95,19 @@ app.UseRouting();
 app.UseAuthentication();
 app.UseAuthorization();
 
-app.MapStaticAssets();
+app.Use(async (context, next) =>
+{
+    if (context.Request.Path.StartsWithSegments("/uploads")
+        && !(context.User.Identity?.IsAuthenticated ?? false))
+    {
+        context.Response.StatusCode = 401;
+        return;
+    }
+    
+    await next();
+});
+
+app.UseStaticFiles();
 
 app.MapControllerRoute(
     name: "default",