Fix selection disappearing after delegates unload

Make delegates update their selection when they're loaded again.

src/qml/Base/HSelectableLabel.qml

@@ -18,6 +18,8 @@ TextEdit {
 
     onLinkActivated: Qt.openUrlExternally(link)
 
+    Component.onCompleted: updateSelection()
+
 
     // If index is a whole number, the label will get two \n before itself
     // in container.joinedSelection. If it's a decimal number, if gets one \n.

src/qml/Base/HSelectableLabelContainer.qml

@@ -82,5 +82,6 @@ FocusScope {
         onTapped: clearSelection()
     }
 
+    // This item will trigger the children labels's DropAreas
     Item { id: draggedItem }
 }