fix(client/events): saving weapon ammo with setammo

[BerkieBb]

Describe Pull request This fixes the saving of weapon ammo using /setammo

Questions (please complete the following information):

• Have you personally loaded this code into an updated qbcore project and checked all it's functionality? [no] (Be honest)
• Does your code fit the style guidelines? [yes]
• Does your PR fit the contribution guidelines? [yes]