Fixes client having authority over rules popup cvars (#28655)

* Fixes client having authority over rules popup cvars

* Delete duplicate migration

* Pre-update

* Post-update

Content.Server.Database/Migrations/Postgres/PostgresServerDbContextModelSnapshot.cs

@@ -648,6 +648,10 @@ namespace Content.Server.Database.Migrations.Postgres
                         .HasColumnType("timestamp with time zone")
                         .HasColumnName("first_seen_time");
 
+                    b.Property<DateTime?>("LastReadRules")
+                        .HasColumnType("timestamp with time zone")
+                        .HasColumnName("last_read_rules");
+
                     b.Property<IPAddress>("LastSeenAddress")
                         .IsRequired()
                         .HasColumnType("inet")