修复打印设置中输入框状态不正常的问题，修复计数器在最后一行时，打印内容高度不正确的问题

mainwidget.cpp

@@ -1945,7 +1945,7 @@ void MainWidget::onPreviewScene()
             varPara.width = itemRect.width();
             varPara.height = itemRect.height();
             varPara.startColPos = itemRect.left();
-            varPara.endRowPos = itemRect.bottom() + 1;
+            varPara.endRowPos = itemRect.bottom() + 2;
             varPara.startRowPos = itemRect.top();
             varPara.currVal = 0;
             varPara.bold = 0;
@@ -1963,9 +1963,8 @@ void MainWidget::onPreviewScene()
             //                           "\n startRowPos=" + QString::number(varPara.startRowPos) +
             //                           "\n letterSpace=" + QString::number(varPara.letterSpace));
         }
-        else {
-            pPicScene->render(&painter, itemRect, sourceRect);
-        }
+
+        pPicScene->render(&painter, itemRect, sourceRect);
     }
 
     sysPara->status.currPrintRow = sceneRect.height();