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/primitives/runtime/src/proving_trie/base16.rs

@@ -19,7 +19,7 @@
 //! runtime. The `sp-trie` crate exposes all of these same functionality (and more), but this
 //! library is designed to work more easily with runtime native types, which simply need to
 //! implement `Encode`/`Decode`. It also exposes a runtime friendly `TrieError` type which can be
-//! use inside of a FRAME Pallet.
+//! use inside of a FRAME Pezpallet.
 //!
 //! Proofs are created with latest bizinikiwi trie format (`LayoutV1`), and are not compatible with
 //! proofs using `LayoutV0`.