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

pezkuwi/roadmap/implementers-guide/src/SUMMARY.md

@@ -13,17 +13,17 @@
   - [Messaging Overview](messaging.md)
   - [PVF Pre-checking](pvf-prechecking.md)
 - [Runtime Architecture](runtime/README.md)
-  - [`Initializer` Pallet](runtime/initializer.md)
-  - [`Configuration` Pallet](runtime/configuration.md)
-  - [`Shared` Pallet](runtime/shared.md)
-  - [`Disputes` Pallet](runtime/disputes.md)
-  - [`Paras` Pallet](runtime/paras.md)
-  - [`Scheduler` Pallet](runtime/scheduler.md)
-  - [`Inclusion` Pallet](runtime/inclusion.md)
-  - [`ParaInherent` Pallet](runtime/parainherent.md)
-  - [`DMP` Pallet](runtime/dmp.md)
-  - [`HRMP` Pallet](runtime/hrmp.md)
-  - [`Session Info` Pallet](runtime/session_info.md)
+  - [`Initializer` Pezpallet](runtime/initializer.md)
+  - [`Configuration` Pezpallet](runtime/configuration.md)
+  - [`Shared` Pezpallet](runtime/shared.md)
+  - [`Disputes` Pezpallet](runtime/disputes.md)
+  - [`Paras` Pezpallet](runtime/paras.md)
+  - [`Scheduler` Pezpallet](runtime/scheduler.md)
+  - [`Inclusion` Pezpallet](runtime/inclusion.md)
+  - [`ParaInherent` Pezpallet](runtime/parainherent.md)
+  - [`DMP` Pezpallet](runtime/dmp.md)
+  - [`HRMP` Pezpallet](runtime/hrmp.md)
+  - [`Session Info` Pezpallet](runtime/session_info.md)
 - [Runtime APIs](runtime-api/README.md)
   - [Validators](runtime-api/validators.md)
   - [Validator Groups](runtime-api/validator-groups.md)