Fix for performance_assessment ceiling calculation

Description

See #186 (closed)

Related Issue(s)

• Fixes #186 (closed)

Other Changes

• Improved dynamic vertical axis limits calculation of ceiling plot

Screenshots/Logs

Hardcoded required ROC to 100ft/min (50ft/min OEI) for "fan" propulsion and 50ft/min for "prop" propulsion

Ceiling Plot for UNICADO-SMR-180-TF

Testing Instructions

1. Check out fix/performance_assessment_ceiling_calculation branch, compile and execute performance_assessment with A/C of choice
2. ...
3. Profit

Developer Checklist

• Code has been tested locally and/or in pipeline.
• (if applicable) documentation updated.
• (if applicable) impact of new dependencies reviewed and included in project.
• Merge conflicts resolved with the target branch.

Additional Notes