fix(hyd): improve lgciu state machine

[crocket63]

Fixes #[issue_no]

Summary of Changes

Avoids unwanted gear movement when proximity sensors fail

Screenshots (if necessary)

References

Additional context

Discord username (if different from GitHub):

Testing instructions

When gear is secured up, any gear failure won't make gear system move.
When gear is secured down, any gear failure won't make gear system move.

Gravity extension activation and reversion works without gear impacting doors (door closing before gear)

Gear failures impact the gear as expected

How to download the PR for QA

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2. Click on the Checks tab on the PR
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[Gurgel100]

LGTM

[mico975]

Quality Assurance Tester Report

Discord : mico#3145
Object of testing: #7685
Tier of Testing : 1
Date : 11/01/2023

Testing Process:
When gear is secured up, any gear failure won't make gear system move. - OK
When gear is secured down, any gear failure won't make gear system move. - OK

Gravity extension activation and reversion works without gear impacting doors (door closing before gear) - OK

Gear failures impact the gear as expected - OK

Negatives:
N/A

Testing Results:
Passed

Conclusions:
LGTM