Apologies Chris, I just saw your reply after I added my recent update. Yes, my Firebase setup pretty much looks like this.
Your code works perfectly, so thank you big time for the help! 
Looking at it, it makes perfect sense to use a loop and append the results to the array. I didn’t even think about that, as I thought it’s just 2 values in 1 doc. Thank you big time, there is still a lot to learn for me 
Edit: here we go with the screenshot. Exactly what you posted.
