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

vendor/ss58-registry/README.md

@@ -11,7 +11,7 @@ These are derived from the [json data file](ss58-registry.json) in this reposito
 	"prefix": 5,                       // unique u16
 	"network": "astar",                // unique no spaces
 	"displayName": "Astar Network",    //
-	"symbols": ["ASTR"],               // symbol for each instance of the Balances pallet (usually one)
+	"symbols": ["ASTR"],               // symbol for each instance of the Balances pezpallet (usually one)
 	"decimals": [18],                  // decimals for each symbol listed
 	"standardAccount": "*25519",       // Sr25519, Ed25519 or secp256k1
 	"website": "https://astar.network" // website or code repository of network