feat(frontend):适配主题列表自动高亮选中功能

frontend/view/best-list-view.cpp

@@ -27,6 +27,7 @@
 using namespace UkuiSearch;
 BestListView::BestListView(QWidget *parent) : QTreeView(parent)
 {
+    this->setProperty("highlightMode", true);
     setStyle(ResultItemStyle::getStyle());
     this->setFrameShape(QFrame::NoFrame);
     this->viewport()->setAttribute(Qt::WA_AcceptTouchEvents);

frontend/view/result-view.cpp

@@ -185,6 +185,7 @@ void ResultWidget::initConnections()
 
 ResultView::ResultView(const QString &plugin_id, QWidget *parent) : QTreeView(parent)
 {
+    this->setProperty("highlightMode", true);
     setStyle(ResultItemStyle::getStyle());
     this->setFrameShape(QFrame::NoFrame);
     this->viewport()->setAttribute(Qt::WA_AcceptTouchEvents);