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/primitives/arithmetic/src/fixed_point.rs

@@ -32,7 +32,7 @@
 )]
 //!
 //! For a much more comprehensive example, be sure to look at the source for broker (the "coretime")
-//! pallet.
+//! pezpallet.
 //!
 //! #### Fixed Point Types in Practice
 //!

bizinikiwi/primitives/arithmetic/src/per_things.rs

@@ -39,8 +39,8 @@
 //! which can be used.
 //!
 //! Each of these can be used to construct and represent ratios within our runtime.
-//! You will find types like [`Perbill`](Perbill) being used often in pallet
-//! development.  `pezpallet_referenda` is a good example of a pallet which makes good use of fixed
+//! You will find types like [`Perbill`](Perbill) being used often in pezpallet
+//! development.  `pezpallet_referenda` is a good example of a pezpallet which makes good use of fixed
 //! point arithmetic, as it relies on representing various curves and thresholds relating to
 //! governance.
 //!