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/cli/src/cli.rs

@@ -54,7 +54,7 @@ pub enum Subcommand {
 	Revert(pezsc_cli::RevertCmd),
 
 	/// Sub-commands concerned with benchmarking.
-	/// The pallet benchmarking moved to the `pallet` sub-command.
+	/// The pezpallet benchmarking moved to the `pezpallet` sub-command.
 	#[command(subcommand)]
 	Benchmark(pezframe_benchmarking_cli::BenchmarkCmd),