Fix balance command to print API errors in text mode

The balance command was silently dropping errors from the API response
in text mode. Both balances and stablecoins commands call printBalanceErrors,
but balance was missing this call despite unmarshaling the same response
structure with the Errors field.

Author: cursoragent

cmd/sim/evm/balance.go

@@ -73,6 +73,8 @@ func runBalance(cmd *cobra.Command, args []string) error {
 			return fmt.Errorf("parsing response: %w", err)
 		}
 
+		printBalanceErrors(cmd, resp.Errors)
+
 		if len(resp.Balances) == 0 {
 			fmt.Fprintln(w, "No balance found.")
 			return nil