feat: zkool2 (#3165)

* feat: zkool2

* feat: rescan on zkool
fix: sending to extracted addresses
fix: labeling shielding txs
fix: autoshield endless loop
fix: autoshield t addr not firing
fix: autoshield destinations
chore: remove old routes for rescan with zkool
other minor fixes/cleanups

* fix: zcash hardfork

* fix: update sync progress more reliably

* fix: pending transaction loading
fix: autoshield txs
fix: taddress
fix: fee estimation
fix: tx send errors

* chore: bump zkool2 to latest version
fix: reduce amount of taddrs generated
fix: derivation path for internal wallets
fix: display address in correct hidden/usable spots
fix: get wallet db height before it syncs for the first time
fix: taddr rotation with passphrase
fix: sync progress ui refresh
fix: taddress generation not getting capped
fix: hidden addresses not being hidden
fix: pending transactions not being shown
fix: t address cache misses
fix: t address rotation not getting refreshed
fix: t address high index not being used

* fix: refresh t addresses

* fix: patch rust side to make t addr rotation work

* fix: ui issue in recipient address
fix: zcash multiaddress send to show in the ui
fix: potential race condition

* minor fixes

* format

* fix: flashing on receive screen

* remove unused 'autoShield'

* review

.github/workflows/pr_test_build_linux.yml

@@ -159,11 +159,6 @@ jobs:
       - name: Generate localization
         run: |
           dart run tool/generate_localization.dart
-      - name: Workaround zcash
-        run: |
-          mkdir -p scripts/zcash_lib/assets/
-          touch scripts/zcash_lib/assets/sapling-spend.params
-          touch scripts/zcash_lib/assets/sapling-output.params
       - name: Build linux
         run: |
           flutter build linux --dart-define=hasDevOptions=true --release