Remove the default Given Name of a creature in PokemonBattler logic

[Karbbone]

Thank you for your contribution to the Pokémon Studio repo.

Before submitting this PR into the develop branch, please make sure:

• Your code builds clean without any errors or warnings
• You are following the Code guidelines
• You tested your code to make sure it does what it is supposed to do

Description

Remove the default name given put it at all empty string by default if the input is empty.

Note before testing

Tests to perform

1. Create the trainer
2. Add a Pokémon to the trainer
3. Change the game’s default language in Studio options
4. Open and close the Pokémon editor to trigger the change
5. Save

Petite PR rapide ça faisait longtemps.

[AerunDev]

Testé, et c'est tout bon pour moi, merci ! 😄