🐛 Fix realm query

DysonNetwork.Shared/Proto/realm.proto

@@ -46,7 +46,7 @@ service RealmService {
     // Get realms for a user
     rpc GetUserRealms(GetUserRealmsRequest) returns (GetUserRealmsResponse) {}
     // Get public realms
-    rpc GetPublicRealms(google.protobuf.Empty) returns (GetPublicRealmsResponse) {}
+    rpc GetPublicRealms(GetPublicRealmsRequest) returns (GetPublicRealmsResponse) {}
     // Search public realms
     rpc SearchRealms(SearchRealmsRequest) returns (GetPublicRealmsResponse) {}
     // Send invitation notification
@@ -84,6 +84,10 @@ message GetUserRealmsResponse {
     repeated string realm_ids = 1;
 }
 
+message GetPublicRealmsRequest {
+    optional string order_by = 1;
+}
+
 message GetPublicRealmsResponse {
     repeated Realm realms = 1;
 }

DysonNetwork.Shared/Registry/RemoteRealmService.cs

@@ -27,9 +27,12 @@ public class RemoteRealmService(RealmService.RealmServiceClient realms)
         return response.RealmIds.Select(Guid.Parse).ToList();
     }
 
-    public async Task<List<SnRealm>> GetPublicRealms()
+    public async Task<List<SnRealm>> GetPublicRealms(string orderBy = "date")
     {
-        var response = await realms.GetPublicRealmsAsync(new Empty());
+        var response = await realms.GetPublicRealmsAsync(new GetPublicRealmsRequest
+        {
+            OrderBy = orderBy
+        });
         return response.Realms.Select(SnRealm.FromProtoValue).ToList();
     }