Add generalization to support OrchardZSA and AssetBase#1

Merged

dmidem merged 6 commits intozsa1from

update_from_librustzcash_zsa1

Dec 19, 2023

Commits on Nov 29, 2023

Copy updated src folder from librustzcash/zsa1
dmidem
committed

Commits on Dec 12, 2023

Cherry-pick the latest update of zcash_note_encryption from zcash/librustzcash (it was missed in QED-it/librustzcash)
dmidem
committed

Commits on Dec 18, 2023

Commits on Dec 19, 2023