message: fix(#1211): force focus window when trigger the contract call
diff: @@ -22,7 +22,8 @@ function onConnection(ws) {
  webContents.send("GET_ACCOUNTS", received);
  } else {
  webContents.send("sign", received);
  - mainWindow.focus();
  + mainWindow.show();
  + mainWindow.moveTop();
  }
  console.log(`[sign-${json.reqId}]: send to wallet`);
  