The propagation is currently (maybe not needed) limited to the global
name that is the source of the change. We also need to propagate the
global name that is changed in case the global is set in a tree leaf and
not the root
Fixes https://gitlab.com/kicad/code/kicad/issues/14657
A sheetpath is required to correctly resolve text variables.
Depending on currentSheet is rife with bugs.
There are many places where we do *not* want to be prepending
field names to the field values, such as netlisting,
building PDF hypertext menus, etc.
Also, Find/Replace needs to work on unresolved text, as
that's what we're going to display (and if replace nuked
your variable references you wouldn't be happy).
Seth Hillbrand
Jeff Young
Marek Roszko