Few fixes from last PR (#2160)

* Added a migration for existing ratings

* Fixed duplicating web links and changed so it has the see more functionality.

* One more unit test

API/Data/ManualMigrations/MigrateExistingRatings.cs

@@ -0,0 +1,32 @@
+using System.Linq;
+using System.Threading.Tasks;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.Extensions.Logging;
+
+namespace API.Data.ManualMigrations;
+
+/// <summary>
+/// Introduced in v0.7.5.6 and v0.7.6, Ratings > 0 need to have "HasRatingSet"
+/// </summary>
+/// <remarks>Added in v0.7.5.6</remarks>
+// ReSharper disable once InconsistentNaming
+public static class MigrateExistingRatings
+{
+    public static async Task Migrate(DataContext context, ILogger<Program> logger)
+    {
+        logger.LogCritical("Running MigrateExistingRatings migration - Please be patient, this may take some time. This is not an error");
+
+        foreach (var r in context.AppUserRating.Where(r => r.Rating > 0f))
+        {
+            r.HasBeenRated = true;
+            context.Entry(r).State = EntityState.Modified;
+        }
+
+        if (context.ChangeTracker.HasChanges())
+        {
+            await context.SaveChangesAsync();
+        }
+
+        logger.LogCritical("Running MigrateExistingRatings migration - Completed. This is not an error");
+    }
+}