fix(fms): cf leg after if leg case

[tracernz]

Fixes #[issue_no]

Summary of Changes

Fix the case of CF leg after an IF leg. The example case is KEWR EWR4/5.

Screenshots (if necessary)

Note: there is an issue with the TEB 214 VR leg fixed by #9801.

References

Additional context

Discord username (if different from GitHub):

Testing instructions

Test a selection of the following procedures on the ND to ensure the path looks correct:
TODO!

Fly at least one of them to ensure all the waypoints are sequenced correctly.

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

[BlueberryKing]

LGTM! The testing instructions should also include flying one of the listed procedures to make sure the sequencing still works.