added optional cancel button in node creation dialog (Beremiz)
added optional cancel button in node creation dialog (Beremiz)

chrta/canfestival-3-ct,chrta/canfestival-3-ct,inspiredengineering/canfestival3,chrta/canfestival-3-ct,inspiredengineering/canfestival3,inspiredengineering/canfestival3,chrta/canfestival-3-ct,chrta/canfestival-3-ct,inspiredengineering/canfestival3,inspiredengineering/canfestival3