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/society/README.md

@@ -217,7 +217,7 @@ to the society.
 #### For Super Users
 
 - `found` - The founder origin can initiate this society. Useful for bootstrapping the Society
-pallet on an already running chain.
+pezpallet on an already running chain.
 - `judge_suspended_member` - The suspension judgement origin is able to make
 judgement on a suspended member.
 - `judge_suspended_candidate` - The suspension judgement origin is able to