Fixes d57c4199.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55935

Always true/false conditions appear to exist since initial implementation
was introduced in 2d1bccd0.

With changes for msxml6 and TODOs for wine.

With changes for msxml4.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=55671

To pickup module's data model.
Signed-off-by: Eric Pouech <epouech@codeweavers.com>

regedit is in GUI subsystem and shouldn't interact with console.
Keeping unix I/O output in silent mode (forcing English locale for
Unix integration).
Signed-off-by: Eric Pouech <epouech@codeweavers.com>

regsvr32 is in GUI subsystem and shouldn't interact with console.
Keeping unix I/O output in silent mode.
Removing -c option as not existing in native.
Signed-off-by: Eric Pouech <epouech@codeweavers.com>