fix(a380x/pfd): fix meter display colours

[MrJigs7]

Fixes #9688

Summary of Changes

Update font colour to correct values used on metric selected altitude and metric target altitude

Screenshots (if necessary)

References

Reference included on issue

Additional context

Discord username (if different from GitHub):MrJigs.

Testing instructions

1. Select Meters on AFS Panel
2. Target metric altitude will now be cyan font
3. Selected metric altitude will now be green font

"M" will remain cyan

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, flybywire-aircraft-a380-842 (4K) or flybywire-aircraft-a380-842 (8K) download link at the bottom of the page

[BravoMike99]

Quality Assurance Tester Report

Discord Username : bruno_pt99
Object of testing : #9707
Aircraft : A380X
Tier of Testing : 1
Date : 04/01/2025

Testing Process:
Pressed meters on the AFS CP and observed the font color matches ref ✔️ .

Testing Results:
Passed

Media:

[BravoMike99]

Thanks for your contribution. Please fix the changelog conflict with master when able so we can merge the PR.

[MrJigs7]

fixed