Refactor and optimize queries

[EinS4ckZwiebeln]

Describe Pull request Previous queries left a lot on the table performance wise, so this is my take on an intial refactoring and optimization pass.

Questions (please complete the following information):

• Have you personally loaded this code into an updated qbcore project and checked all it's functionality? --> Yes, but please make sure you do as well, just to be extra sure this works as intended!

• Does your code fit the style guidelines? --> Yes, I think so.

• Does your PR fit the contribution guidelines? --> Yes, I think so as well.

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