fix: mobile UI improvements and web3Enable for WalletConnect signing

- Compact stat cards on mobile (Dashboard, Referral, P2P)
- Hide unnecessary sections on mobile (Recent Activity, NFTs, Score Calculation, Liquidity Pools, Recent Swaps)
- Fix back arrow overlapping title on all pages
- Swap Settings and Governance nav positions for better mobile dropdown
- Add back arrow to Presale page
- Add web3Enable before all web3FromAddress calls for WalletConnect compatibility
- Fix citizenship authentication signing with WalletConnect

web/src/components/referral/InviteUserModal.tsx

@@ -81,7 +81,8 @@ export const InviteUserModal: React.FC<InviteUserModalProps> = ({ isOpen, onClos
     setInitiateSuccess(false);
 
     try {
-      const { web3FromAddress } = await import('@pezkuwi/extension-dapp');
+      const { web3Enable, web3FromAddress } = await import('@pezkuwi/extension-dapp');
+      await web3Enable('PezkuwiChain');
       const injector = await web3FromAddress(selectedAccount.address);
 
       if (import.meta.env.DEV) console.log(`Initiating referral from ${selectedAccount.address} to ${inviteeAddress}...`);