fix: Build erorr under low version DTK.

适配紧凑模式遗漏区分版本兼容宏,
修复低版本DTK下的构建错误.

Log: 修复在低版本DTK的构建错误

src/common/utils.cpp

@@ -1095,10 +1095,12 @@ void Utils::sendFloatMessageFixedFont(QWidget *par, const QIcon &icon, const QSt
     floMsg->setMessage(message);
     floMsg->setFont(qApp->font());
 
+#ifdef DTKWIDGET_CLASS_DSizeMode
     // 绑定 qApp 字体变更信号
     QObject::connect(DGuiApplicationHelper::instance(), &DGuiApplicationHelper::fontChanged, floMsg, [ = ](const QFont &font){
         floMsg->setFont(font);
     });
+#endif
 
     DMessageManager::instance()->sendMessage(par, floMsg);
 }

src/widgets/bottombar.cpp

@@ -419,5 +419,9 @@ void BottomBar::setEndlineMenuText(EndlineFormat format)
  */
 int BottomBar::defaultHeight()
 {
+#ifdef DTKWIDGET_CLASS_DSizeMode
     return DGuiApplicationHelper::isCompactMode() ? s_BottomBarHeightCompact : s_BottomBarHeight;
+#else
+    return s_BottomBarHeight;
+#endif
 }