fix: resolve pez-kitchensink-runtime compilation errors

Umbrella Crate Fixes:
- Add pezpallet-root-testing to umbrella (std, try-runtime, runtime-full)
- Add pezpallet-xcm-benchmarks to umbrella (std, runtime-benchmarks, runtime-full)
- Add re-exports in umbrella/src/lib.rs for both crates

getrandom WASM Fix:
- Move subxt crates from runtime-full to node feature
- Prevents getrandom dependency leak into WASM builds

Vendor Updates:
- Fix pezkuwi-subxt for web/wasm target compatibility
- Update pezkuwi-zombienet-sdk keystore imports

Documentation:
- Update WORKFLOW_PLAN.md with completed tasks
- Update REBRAND_PROGRESS.md with umbrella fixes
- Remove obsolete tracking files

vendor/pezkuwi-subxt/signer/src/pezkuwi_js_compat.rs

@@ -19,7 +19,7 @@ use crate::sr25519;
 /// Given a JSON keypair as exported from Pezkuwi-JS, this returns an [`sr25519::Keypair`]
 pub fn decrypt_json(json: &str, password: &str) -> Result<sr25519::Keypair, Error> {
 	let pair_json: KeyringPairJson = serde_json::from_str(json)?;
-	Ok(pair_json.decrypt(password)?)
+	pair_json.decrypt(password)
 }
 
 /// Error