"Fetch prop on * " Performance decline very much when there's many tags in graph namespace .

[jiayuehua]

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Describe the bug (required)

https://discuss.nebula-graph.com.cn/t/topic/8993

Your Environments (required)

• OS: ubuntu
• Compiler: gcc 9.3
• CPU: 11th Gen Intel(R) Core(TM) i7-1165G7 @ 2.80GHz
• Commit id 3.1

How To Reproduce(required)

Steps to reproduce the behavior:

1. create a graph space , with 100 tag and 10000 vertex
2. go from “vid” over * yield dst(edge) as dst | fetch prop on * $-.dst (1.97s)
3. create a graph space , with 1000 tag and 10000 vertex
4. go from “vid” over * yield dst(edge) as dst | fetch prop on * $-.dst (19.79s)

Expected behavior

fetch query performance shouldn't affected much by tags number.

Additional context

[Shylock-Hg]

Related to #4063