Fix link generation for interactive

Correctly generate the URL for the Rules of Inference interactive to ensure it points to the correct path.

src/pages/theme-pages/discrete-math/Foundations.tsx

@@ -84,7 +84,7 @@ const Foundations = () => {
           <SocialShare 
             title={`${selectedInteractive.title} - Interactive Learning`}
             description={selectedInteractive.description}
-            url={`https://lovable.dev${selectedInteractive.greenScreenPath}`}
+            url={`${window.location.origin}${selectedInteractive.greenScreenPath}`}
           />
         </div>
       </div>;