Particle Effect Location

[srykho22]

Describe the bug

During idle descent, the contrail particles appear before the engines

Please provide documentation references:

Place an x to check the boxes:

• [x] Something found during a flight test
• [ ] FCOM reference included (issues are likely to be closed without this)
• [ ] checked current FMC revision ident
• [ ] Video included (where applicable)
• [x] Screenshot included (where applicable)

[remenkemi]

Can we modify the existing default particle system or would we need to redo it all and create a new one? Not sure...