fix(a380x/mfd): fix: round altitude constraints to nearest 10ft in MFD

[bulenteroglu]

Fixes #9709

Summary of Changes

Rounded the predicted altitudes to the nearest 10

Screenshots (if necessary)

Before:

After:

References

Additional context

Discord username (if different from GitHub):

Testing instructions

1. Add departure SID
2. Look at predicted altitudes in the MFD

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

Discord Username : bruno_pt99
Object of testing : #9710
Aircraft : A380X
Tier of Testing : 1
Date : 05/01/2024

Testing Process:
Inserted a route into the FMS and verified altitude predictions appeared rounded to 10FT ✔️

Testing Results:
Passed

Media:

[BravoMike99]

Thank you for the contribution. Please fix the changelog conflicts with master by syncing the branch so we can merge the PR.

[bulenteroglu]

Thank you for the contribution. Please fix the changelog conflicts with master by syncing the branch so we can merge the PR.

Sorted boss 👍🏼