interfaceHeight does not work in parallel
Summary
interfaceHeight does not work with parallel solver.
Steps to reproduce
Run with single and multiple processor. Single processor writes output where as parallel processor outputs an empty file.
Example case
What is the current bug behaviour?
What is the expected correct behavior?
Relevant logs and/or images
Environment information
OpenFOAM version: OpenFOAM v2006 Operating system: ubuntu 18.04