redistributePar creates unnecessary directories

Summary

redistributePar -fileHandler collated in distributed mode creates unnecessary directories

Steps to reproduce

• decompose a case
• move processorDDD to different directories
• and adjust decomposeParDict:roots accordingly
• run redistributePar to redistribute the case mpirun -np 4 redistributePar -parallel -fileHandler collated
• it will have created a processsors4 directory on every root

Example case

What is the current bug behaviour?

What is the expected correct behavior?

Relevant logs and/or images

Environment information

• OpenFOAM version : v2306

Possible fixes