qt: fix pip player can not be dragged properly within the browse page

This fixes pip player can not be dragged properly within the browse page. Similar to 9b86a3b4.

This was meant to be included in !6670 (merged), but I did not realize that Browse page has an additional Flickable...

Request review @chub.

modules/gui/qt/network/qml/BrowseHomeDisplay.qml

@@ -149,6 +149,25 @@ FocusScope {
 
         Navigation.parentItem: root
 
+        Component.onCompleted: {
+            // Flickable filters child mouse events for flicking (even when
+            // the delegate is grabbed). However, this is not a useful
+            // feature for non-touch cases, so disable it here and enable
+            // it if touch is detected through the hover handler:
+            MainCtx.setFiltersChildMouseEvents(this, false)
+        }
+
+        HoverHandler {
+            acceptedDevices: PointerDevice.TouchScreen
+
+            onHoveredChanged: {
+                if (hovered)
+                    MainCtx.setFiltersChildMouseEvents(flickable, true)
+                else
+                    MainCtx.setFiltersChildMouseEvents(flickable, false)
+            }
+        }
+
         Widgets.NavigableCol {
             id: column