New quests can be created by importing data from another quest

[Aelysya]

Description

The user can now create a new quest by importing data from another existing quest.

closes #466

Tests to perform

Open the "New Quest" editor

Creating a new quest without importing any data

• Fill the basic data and create the quest => only the basic data is filled for the new quest, all other data are filled with default values
• Fill the basic data, un-collapse the "other data" component, leave the selection on "None" and create the quest => only the basic data is filled for the new quest, all other data are filled with default values
• Fill the basic data, un-collapse the "other data" component, select a quest, re-collapse the "other data" component and create the quest => only the basic data is filled for the new quest, all other data are filled with default values

Creating a new quest by importing data

• Fill the basic data, un-collapse the "other data" component, select a quest and create the quest => the basic data is filled for the new quest with the information you entered AND all other data are filled with the same data as the chosen quest

[AerunDev]

Testé et approuvé ! 🚀

[AerunDev]

Je te laisserai régler le conflit @Aelysya et je merge dès que tu me donnes ton feu vert 🟢

[Aelysya]

Conflit géré, tu peux merge 👍