[RM-8149] [swig] incompatibility since swig version 4.1 for static methods

Created on 2023-06-26 13:21:53 by Didier Vibert. % Done: 100

swig from v4.1 change the way to call c++ static methods from python

in 4.0 and before:

whereas since 4,1

it is an issue for pylinamazed with pyconv.h, which uses the flattened names option which now (swig 4.1) requires a not recommended optional argument to swig
(should disappear with #8015)