Re-set Ledger config dialog to connect step if dialog is closed

packages/website/ts/components/dialogs/ledger_config_dialog.tsx

@@ -186,6 +186,7 @@ export class LedgerConfigDialog extends React.Component<LedgerConfigDialogProps,
     private _onClose() {
         this.setState({
             connectionErrMsg: '',
+            stepIndex: LedgerSteps.CONNECT,
         });
         const isOpen = false;
         this.props.toggleDialogFn(isOpen);