do not offer the quest step itself as dependency

fs_add_quest_steps.lua

@@ -399,6 +399,9 @@ yl_speak_up.get_fs_add_quest_steps = function(player, param)
 			not_available[s] = true
 		end
 	end
+	if(current_step) then
+		not_available[current_step] = true
+	end
 	-- build a list of candidates
 	local available_steps = {}
 	for k, v in pairs(step_data) do