Fix error when getting players from a log

Also potentially fix FilterTests.Date

Content.Server/Database/ServerDbBase.cs

@@ -635,6 +635,7 @@ namespace Content.Server.Database
         {
             await using var db = await GetDb();
             var query = await GetAdminLogsQuery(db.DbContext, filter);
+            query = query.Include(log => log.Players);
 
             await foreach (var log in query.AsAsyncEnumerable())
             {