Ticket #39097: 39097.3.diff

src/js/_enqueues/lib/embed-template.js

@@ -161 +161 @@
                                 href = target.parentElement.getAttribute( 'href' );
                         }
 
+                        // Only clicks from the primary mouse button without any modifiers need to be caught.
+                        if ( event.altKey || event.ctrlKey || event.metaKey || event.shiftKey ) {
+                                return;
+                        }
+
                         /**
                          * Send link target to the parent (embedding) site.
                          */