PBR add multi scattering as energy compensation

[zhuxudong]

Please check if the PR fulfills these requirements

• [x] The commit message follows our guidelines
• [x] Tests for the changes have been added (for bug fixes / features) furnace test:
• [ ] Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

feature，conservation of energy

Does this PR introduce a breaking change? (What changes might users need to make in their application due to this PR?)

No.

Other information:

• research document: https://yuque.antfin-inc.com/shensi.zxd/ftoum6/bb22diumgpqcg525
• I developed based on #1345 , so merge 1345 first.