fixed: KETCHER-563 (Selection does not disappear after the atom-atom fusing)
fixed: KETCHER-563 (Selection does not disappear after the atom-atom fusing)

ggasoftware/ketcher,ggasoftware/ketcher,ggasoftware/ketcher,ggasoftware/ketcher,ggasoftware/ketcher,ggasoftware/ketcher