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/transaction-payment/README.md

@@ -1,13 +1,13 @@
-# Transaction Payment Pallet
+# Transaction Payment Pezpallet
 
-This pallet provides the basic logic needed to pay the absolute minimum amount needed for a
+This pezpallet provides the basic logic needed to pay the absolute minimum amount needed for a
 transaction to be included. This includes:
   - _weight fee_: A fee proportional to amount of weight a transaction consumes.
   - _length fee_: A fee proportional to the encoded length of the transaction.
   - _tip_: An optional tip. Tip increases the priority of the transaction, giving it a higher
     chance to be included by the transaction queue.
 
-Additionally, this pallet allows one to configure:
+Additionally, this pezpallet allows one to configure:
   - The mapping between one unit of weight to one unit of fee via [`Config::WeightToFee`].
   - A means of updating the fee for the next block, via defining a multiplier, based on the
     final state of the chain at the end of the previous block. This can be configured via