Support column pruning in plan rewriter

[yixinglu]

refer: https://discuss.nebula-graph.com.cn/t/topic/12581/23

nebula should prune the unused columns in plan node before entering optimization stage.

[yixinglu]

another test case:

match (v:player) 
where id(v)=='Tim Duncan' 
with v.player.name AS name 
match (v:player)-[]-(v2) 
where v.player.name IN name 
return v2;