feat(StatusChatListItem): accept right clicks

Also triggers the context menu in `StatusChatListCategory`.

Fixes #131

src/StatusQ/Components/StatusChatListCategory.qml

@@ -30,7 +30,14 @@ Column {
         title: statusChatListCategory.name
         opened: statusChatListCategory.opened
 
-        onClicked: statusChatListCategory.opened = !opened
+        onClicked: {
+            if (mouse.button === Qt.RightButton) {
+                highlighted = true
+                popupMenuSlot.item.popup(mouse.x + 4, mouse.y + 6)
+                return
+            }
+            statusChatListCategory.opened = !opened
+        }
         onToggleButtonClicked: statusChatListCategory.opened = !opened
         onMenuButtonClicked: {
             highlighted = true

src/StatusQ/Components/StatusListItem.qml

@@ -48,6 +48,7 @@ Rectangle {
 
         anchors.fill: parent
         cursorShape: Qt.PointingHandCursor 
+        acceptedButtons: Qt.LeftButton | Qt.RightButton
         hoverEnabled: true
 
         Loader {