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/bin/node/runtime/src/constants.rs

@@ -43,7 +43,7 @@ pub mod time {
 	/// a slot being empty).
 	/// This value is only used indirectly to define the unit constants below
 	/// that are expressed in blocks. The rest of the code should use
-	/// `SLOT_DURATION` instead (like the Timestamp pallet for calculating the
+	/// `SLOT_DURATION` instead (like the Timestamp pezpallet for calculating the
 	/// minimum period).
 	///
 	/// If using BABE with secondary slots (default) then all of the slots will