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/client/merkle-mountain-range/src/lib.rs

@@ -66,7 +66,7 @@ where
 	BE: Backend<B>,
 	Self::Api: MmrApi<B, MmrRootHash, NumberFor<B>>,
 {
-	/// Get the block number where the mmr pallet was added to the runtime.
+	/// Get the block number where the mmr pezpallet was added to the runtime.
 	fn first_mmr_block_num(&self, notification: &FinalityNotification<B>) -> Option<NumberFor<B>> {
 		let best_block_hash = notification.header.hash();
 		let best_block_number = *notification.header.number();