Merge a number of post process volume components into core so that URP and HDRP are more unified #7240

Draft

stramit wants to merge 21 commits intomasterfrom

tim/post-fx-refactor-foundation

Commits on Feb 15, 2022

Physical Camera Refactor.
tim
committed

Commits on Feb 16, 2022

Commits on Feb 17, 2022

Commits on Feb 22, 2022

Fix documentation links.
tim
committed
Fix formatting.
tim
committed

Commits on Mar 2, 2022

Merge branch 'master' into tim/post-fx-refactor-foundation
Tim Cooper
committed
Port vignette with new editor type lookup.
tim
committed

Commits on Mar 8, 2022

Do not break user created volume components.
Tim Cooper
committed

Commits on Mar 11, 2022

Merge remote-tracking branch 'origin/master' into tim/post-fx-refactor-foundation
Tim Cooper
committed