feat(sfcc): Slat flap model

[Eagle941]

Fixes #6647

Summary of Changes

Complete overhaul of SFCC. Improvements made so far:

• Flap relief function
• Slat Alpha lock function
• Slat Baulk function
• Handling of electrical power outage
• Handling of ADIRUs failures
• Simulation of CSU with out-of-detent positions (partial)
• Added POB (Pressure-Off Brake)
• Added PCU (Power Control Unit) model with Retract/Extend/Enable interface
• Added Pressure/Flow curve for hydraulic motor speed
• Added APPU and IPPU signals
• Added Flapt Attachment sensor signals from LGCIU
• Individually controlled Inboard and Outboard flaps per wing
• Individually controlled 5 slats per wing

Missing features for future PR:

• SFCC High/Low speed driving sequence
• Wing Tip Brakes (WTB)
• Complete ARINC outputs from SFCC
• Accurate Block Valve LVDT model

Screenshots (if necessary)

References

Additional context

Discord username (if different from GitHub): pythonist#6593

Testing instructions

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[Benjozork]

@Eagle941 is this still being worked on?

[Eagle941]

@Eagle941 is this still being worked on?

@Benjozork I don't have any time at the moment to work on this. The main thing to finish is to rewrite the flap/slat actuator by integrating the physical model that was already there instead of the "pressure vs flow" interpolation that I introduced in this branch. Happy to guide people through if needed. Plus some general cleanup.