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

templates/teyrchain/pezpallets/README.md

@@ -1,13 +1,13 @@
 # Pallets
 
-ℹ️ A pallet is a unit of encapsulated logic, with a clearly defined responsibility. A pallet is analogous to a
+ℹ️ A pezpallet is a unit of encapsulated logic, with a clearly defined responsibility. A pezpallet is analogous to a
 module in the runtime.
 
-💁 In this template, there is a simple custom pallet based on the FRAME framework.
+💁 In this template, there is a simple custom pezpallet based on the FRAME framework.
 
 👉 Learn more about FRAME
 [here](https://docs.pezkuwichain.io/sdk/master/polkadot_sdk_docs/polkadot_sdk/frame_runtime/index.html).
 
 🧑‍🏫 Please refer to
 [this guide](https://docs.pezkuwichain.io/sdk/master/polkadot_sdk_docs/guides/your_first_pallet/index.html)
-to learn how to write a basic pallet.
+to learn how to write a basic pezpallet.