Fixes: Extensions overrides are not registered for the first time.
Fixes: Extensions overrides are not registered for the first time.

RevBy: TrustMe

We were calling the wrong overload of extensionChanged. What we called
was actually a useless signal instead of method doing the DBus message
sending.

Full, original commit at f5ef1f4948ba8fe741e23d621cc3212075a81892 in maliit-framework

maliit/inputcontext-qt4,maliit/inputcontext-qt4,perencia/inputcontext-qt4