fix(a32nx/pfd): mach visibility with LS selected

[BravoMike99]

Fixes #[issue_no]

Summary of Changes

Fixes mach number not visible on the PFD if LS selected

Screenshots (if necessary)

References

Additional context

Discord username (if different from GitHub):
bruno_pt99

Testing instructions

Ensure mach number is visible on PFD if "LS" on the associated side is pushed

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

[Benjozork]

Did you check if a similar fix is required on the 380?

[BravoMike99]

Did you check if a similar fix is required on the 380?

Yep, not needed there.

[nebj00la]

Quality Assurance Trainee Report

Discord Username : nebj00la
Object of testing : #9894
Aircraft : A32NX
Tier of Testing : 1
Date : 11/03/2025

Testing Process:

1. Loaded direct in air test flight and on runway flight, both resulted in no speed being displayed on PFD regardless of LS selection.

Testing Results:
Failed

Media:

[nebj00la]

Quality Assurance Trainee Report

Discord Username : nebj00la
Object of testing : #9894
Aircraft : A32NX
Tier of Testing : 1
Date : 11/03/2025

Testing Process:

1. Loaded test flight, both displays showed speed with LS selected.

Testing Results:
Passed

Media: