fix: return checksummed address for keystore wallets

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: PierreJeanjacquot

cli/src/utils/keystore.ts

@@ -58,7 +58,7 @@ export async function loadWalletInfoFromKeystore({
     const encryptedWallet = await readFile(filePath, 'utf8');
     const { address, Crypto } = JSON.parse(encryptedWallet);
     return {
-      address: getAddress(address).toLowerCase(),
+      address: getAddress(address),
       isEncrypted: !!Crypto,
     };
   } catch (e) {