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/runtimes/rc/src/weights/xcm/mod.rs

@@ -52,7 +52,7 @@ trait WeighAssets {
 	fn weigh_assets(&self, balances_weight: Weight) -> Weight;
 }
 
-// Zagros only knows about one asset, the balances pallet.
+// Zagros only knows about one asset, the balances pezpallet.
 const MAX_ASSETS: u64 = 1;
 
 impl WeighAssets for AssetFilter {