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

pezcumulus/teyrchains/pezpallets/pez-treasury/src/tests.rs

@@ -544,7 +544,7 @@ fn pot_accounts_are_different() {
 		let incentive = PezTreasury::incentive_pot_account_id();
 		let government = PezTreasury::government_pot_account_id();
 
-		println!("\n=== Account IDs from Pallet ===");
+		println!("\n=== Account IDs from Pezpallet ===");
 		println!("Treasury: {:?}", treasury);
 		println!("Incentive: {:?}", incentive);
 		println!("Government: {:?}", government);