docs - gladevcp - added the description of the new iconview signal "sensitive"
docs - gladevcp - added the description of the new iconview signal "sensitive"



Signed-off-by: Norbert Schechner <27089f165095486746f24cf03c44cb316af60383@web.de>

ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror,ikcalB/linuxcnc-mirror