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/controller.rs

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Pezkuwi.  If not, see <http://www.gnu.org/licenses/>.
 
-//! A set of traits that define how a pallet interface with XCM.
+//! A set of traits that define how a pezpallet interface with XCM.
 //! Controller traits defined in this module are high-level traits that will rely on other traits
 //! from `xcm-executor` to perform their tasks.