feat: add tap handler to hide launcher

1. Add TapHandler to GridViewContainer to hide launcher when tapped
2. This provides better user experience by allowing users to dismiss the
launcher with a simple tap
3. The handler sets LauncherController.visible to false when any area
within the grid view is tapped
4. Improves navigation flow by giving users intuitive way to close the
launcher interface

feat: 添加点击处理器以隐藏启动器

1. 在 GridViewContainer 中添加 TapHandler 以便点击时隐藏启动器
2. 通过允许用户简单点击即可关闭启动器来提供更好的用户体验
3. 当网格视图内的任何区域被点击时，处理器将 LauncherController.visible
设置为 false
4. 通过为用户提供直观的关闭启动器界面方式来改进导航流程

PMS: BUG-324421

Author: wjyrich

qml/GridViewContainer.qml

@@ -108,6 +108,10 @@ FocusScope {
                 }
                 cellHeight: item.cellHeight
                 cellWidth: item.cellWidth
+                TapHandler {
+                    onTapped:
+                        LauncherController.visible = false
+                }
 
                 highlight: Item {
                     FocusBoxBorder {