decomposePar does not work with multi-region and pointMesh/boundary files

Summary

decomposePar on multi-region mesh fails with missing

Steps to reproduce

In tutorials/heatTransfer/chtMultiRegionFoam/windshieldCondensation use ./Allrun-parallel

Example case

See above.

What is the current bug behaviour?

-> FOAM FATAL ERROR: (openfoam-2412)
Patch 'exterior' not found. Available patch names in region 'cabin' include: 5(inlet outlet symmetry walls cabin_to_windshield)

What is the expected correct behavior?

Relevant logs and/or images

Environment information

• OpenFOAM version : v2412-pre