Clipboard change → force image preview update

TODO.md

@@ -4,8 +4,6 @@
     - hflickable: support kinetic scrolling disabler 
     - settings
 
-- verify upload cancellation
-- clipboard preview doesn't update when copied image changes until second time
 - Avatar tooltip can get displayed in front of presence menu
 - Use loading cursorShape
 - Increase keyboard page scroll speed

src/gui/Popups/ConfirmClipboardUploadPopup.qml

@@ -59,6 +59,11 @@ HColumnPopup {
         source: "image://clipboard/" + updateCounter
         sourceSize.width: popup.contentWidthLimit
 
+        onUpdateCounterChanged: {
+            source = "Need an invalid value to update properly, don't know why"
+            source = "image://clipboard/" + updateCounter
+        }
+
         Layout.fillWidth: true
         Layout.fillHeight: true
         Layout.preferredHeight: