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/xcm/xcm-builder/src/location_conversion.rs

@@ -58,7 +58,7 @@ pub struct DescribePalletTerminal;
 impl DescribeLocation for DescribePalletTerminal {
 	fn describe_location(l: &Location) -> Option<Vec<u8>> {
 		match l.unpack() {
-			(0, [PalletInstance(i)]) => Some((b"Pallet", Compact::<u32>::from(*i as u32)).encode()),
+			(0, [PalletInstance(i)]) => Some((b"Pezpallet", Compact::<u32>::from(*i as u32)).encode()),
 			_ => return None,
 		}
 	}