fix(nd): Added method to handle Groundspeed display logic

[MrJigs7]

Fixes #9545

Summary of Changes

Added method to handle GS display logic
Added method to handle TAS display logic
Set logic for both GS and TAS display - Dashes if NCD, blank if FW, and normal otherwise

Screenshots (if necessary)

References

Picture and discussion on issue 9545

Additional context

Discord username (if different from GitHub):MrJigs

Testing instructions

Spawn on the ground with engines running and observe TAS value being dashed on ND
Takeoff, TAS will display data >60kts
Trigger failure such as ADIRS, TAS and GS will be blank

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.

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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

[MrJigs7]

Do I need to do anything else here before this is checked by QA?

[BravoMike99]

Do I need to do anything else here before this is checked by QA?

Nope, all good for now