8338306: WebView Drag and Drop fails with WebKit 619.1

Backport-of: 67ac9d7804cd8d572bcc3e06e2f640d8a744d3bb

Author: Johan Vos

modules/javafx.web/src/main/native/Source/WebKitLegacy/java/WebCoreSupport/WebPage.cpp

@@ -2250,8 +2250,10 @@ JNIEXPORT jint JNICALL Java_com_sun_webkit_WebPage_twkProcessDrag
         case com_sun_webkit_WebPage_DND_DST_EXIT:
             dc.dragExited(*localMainFrame,WTFMove(dragData));
             return 0;
+        case com_sun_webkit_WebPage_DND_DST_ENTER:
         case com_sun_webkit_WebPage_DND_DST_OVER:
-
+        case com_sun_webkit_WebPage_DND_DST_CHANGE:
+            return dragOperationToDragCursor(std::get<std::optional<WebCore::DragOperation>>(dc.dragEnteredOrUpdated(*localMainFrame, WTFMove(dragData))));
         case com_sun_webkit_WebPage_DND_DST_DROP:
             {
                 int ret = dc.performDragOperation(WTFMove(dragData)) ? 1 : 0;