fix: Complete snowbridge pezpallet rebrand and critical bug fixes

- snowbridge-pezpallet-* → pezsnowbridge-pezpallet-* (201 refs)
- pallet/ directories → pezpallet/ (4 locations)
- Fixed pezpallet.rs self-include recursion bug
- Fixed sc-chain-spec hardcoded crate name in derive macro
- Reverted .pezpallet_by_name() to .pallet_by_name() (subxt API)
- Added BizinikiwiConfig type alias for zombienet tests
- Deleted obsolete session state files

Verified: pezsnowbridge-pezpallet-*, pezpallet-staking,
pezpallet-staking-async, pezframe-benchmarking-cli all pass cargo check

bizinikiwi/pezframe/staking-async/rc-client/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pezpallet-staking-async-rc-client"
-description = "Pallet handling the communication with staking-ah-client. It's role is to glue the staking pallet (on AssetHub chain) and session pallet (on Relay Chain) in a transparent way."
+description = "Pallet handling the communication with staking-ah-client. It's role is to glue the staking pezpallet (on AssetHub chain) and session pezpallet (on Relay Chain) in a transparent way."
 license = "Apache-2.0"
 version = "0.1.0"
 edition.workspace = true