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/democracy/README.md

@@ -1,18 +1,18 @@
-# Democracy Pallet
+# Democracy Pezpallet
 
 - [`democracy::Config`](https://docs.rs/pezpallet-democracy/latest/pallet_democracy/trait.Config.html)
 - [`Call`](https://docs.rs/pezpallet-democracy/latest/pallet_democracy/enum.Call.html)
 
 ## Overview
 
-The Democracy pallet handles the administration of general stakeholder voting.
+The Democracy pezpallet handles the administration of general stakeholder voting.
 
 There are two different queues that a proposal can be added to before it
 becomes a referendum, 1) the proposal queue consisting of all public proposals
 and 2) the external queue consisting of a single proposal that originates
 from one of the _external_ origins (such as a collective group).
 
-Every launch period - a length defined in the runtime - the Democracy pallet
+Every launch period - a length defined in the runtime - the Democracy pezpallet
 launches a referendum from a proposal that it takes from either the proposal
 queue or the external queue in turn. Any token holder in the system can vote
 on referenda. The voting system