Rebrand: polkadot → pezkuwi build fixes

- Fixed TypeScript type assertion issues
- Updated imports from api-augment/substrate to api-augment/bizinikiwi
- Fixed imgConvert.mjs header and imports
- Added @ts-expect-error for runtime-converted types
- Fixed all @polkadot copyright headers to @pezkuwi

web/package.json

@@ -16,11 +16,11 @@
   },
   "dependencies": {
     "@hookform/resolvers": "^3.9.0",
-    "@polkadot/api": "^16.4.9",
-    "@polkadot/extension-dapp": "^0.62.3",
-    "@polkadot/keyring": "^13.5.7",
-    "@polkadot/util": "^13.5.7",
-    "@polkadot/util-crypto": "^13.5.7",
+    "@pezkuwi/api": "^16.4.9",
+    "@pezkuwi/extension-dapp": "^0.62.7",
+    "@pezkuwi/keyring": "^14.0.5",
+    "@pezkuwi/util": "^14.0.5",
+    "@pezkuwi/util-crypto": "^14.0.5",
     "@radix-ui/react-accordion": "^1.2.0",
     "@radix-ui/react-alert-dialog": "^1.1.1",
     "@radix-ui/react-aspect-ratio": "^1.1.0",