feat(hyd): Adjusted steering flow on A380 and speed to pressure/flow behavior

[crocket63]

Fixes #[issue_no]

Summary of Changes

Updated steering flow on A380 to match reference

Screenshots (if necessary)

References

Additional context

Discord username (if different from GitHub):

Testing instructions

Check non regression on 32NX steering: should behave exactly as before, same hydraulic usage when using steering (check hyd cam while steering the nose before/after this PR)

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

[2hwk]

QA Report

Discord: 2cas
Object of testing: #8805
Date: 03/08/2024

Testing Process:

• Check non regression on 32NX steering: should behave exactly as before, same hydraulic usage when using steering (check hyd cam while steering the nose before/after this PR)

Negatives:
N/A

Testing Results:
Passed

Conclusions:
Works as expected