fix: ini library folder creation

[frankkopp]

Summary of Changes

Fixes creation of the folder for ini files (fuel saving).

Discord username (if different from GitHub): cdr_maverick

Testing instructions

Test if fuel state is saved to an ini file when the work does not already have the "AircraftStates" folder. This folder should be created.

How to download the PR for QA

Every new commit to this PR will cause new A32NX and A380X artifacts to be created, built, and uploaded.

1. Make sure you are signed in to GitHub
2. Click on the Checks tab on the PR
3. On the left side, find and click on the PR Build tab
4. Click on either flybywire-aircraft-a320-neo or flybywire-aircraft-a380-842 download link at the bottom of the page

[Maximilian-Reuter]

Quality Assurance Trainee Report

Discord : _chaoz_
Object of testing: #8769
Tier of Testing : 1
Date : 21/07/2024

Testing Process:

Tested both 320 and 380 without AircraftStates folder.
Both aircraft created folder with ini file with no issues.

Negatives:
N/A

Testing Results:
Passed

Conclusions:
LGTM