Bug#1054159: paraview: build and provide gmsh plugin

[Drew Parsons]

Package: paraview
Version: 5.11.0+dfsg-2
Severity: normal

paraview offers a GMSH plugin, providing the capability to visualise
gmsh meshes.  It's not built by default, can it be added to the debian
paraview package?

Actually there's two of them,
https://salsa.debian.org/science-team/paraview/-/tree/debian/latest/Plugins/GmshIO
https://salsa.debian.org/science-team/paraview/-/tree/debian/latest/Plugins/GmshReader

GmshIO is the newer one and should be preferred.

I'm not sure if it would be constructive to build both of them, though
it could be done.