Bug fixed in Wiring Editor, all anchor list are emptied properly now

Signed-off-by: Álvaro Arranz <aarranz@conwet.com>
Litle bug fixed loading Wiring. Repaint the main arrow of multiconnector

Signed-off-by: Álvaro Arranz <aarranz@conwet.com>
Use platform style in the context-inspector widget