Bugfix for single vehicle in garage

[Borreke0]

Describe Pull request
When pulling out a car when there is only one vehicle in that garage, the menu won't open because the SQL doesn't return a table of results as there is only one.

This fixes the issue mentioned: #304

Questions (please complete the following information):

• Have you personally loaded this code into an updated qbcore project and checked all it's functionality? yes
• Does your code fit the style guidelines? yes
• Does your PR fit the contribution guidelines? yes

[GhzGarage]

Thank you, i pushed the change. I also changed some others c18e375