[Bug] Giveaway End Timestamp gets set to current date when someone enters giveaway.

[EinsKatze]

Timestamp when someone enters giveaway: https://github.com/Mickhat/FloBot/blob/40dbbd9e478f140d9fbcbe6bbdfc504a2c18c85d/src/buttons/giveaway.ts#L66

How it gets set on creation of giveaway: https://github.com/Mickhat/FloBot/blob/40dbbd9e478f140d9fbcbe6bbdfc504a2c18c85d/src/commands/giveaway.ts#L37

Format on creation of giveaway: https://github.com/Mickhat/FloBot/blob/40dbbd9e478f140d9fbcbe6bbdfc504a2c18c85d/src/commands/giveaway.ts#L54

Format gets changed in first reference if you compare it to third reference