Provide the following 3 methods:
1. Write the display name to the entity object in advance, and get it via GetObjects when needed, refer to Use entity objects to store player data - PlayFab | Microsoft Docs.
2. Add the display name as an attribute to the Matchmaking Ticket, then set ReturnMemberAttributes to true when GetMatch to get it, refer to Get Display name from Title player ID (Not Playfab ID) - Playfab Community.
3. Call GetProfile, get LIneage.MasterPlayerAccountId in the returned result, and then call GetAccountInfo or GetPlayerProfile.
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