fix(widget): always force show window on activate event

fixes #5459

src/widget/widget.cpp

@@ -81,9 +81,11 @@
 bool toxActivateEventHandler(const QByteArray&)
 {
     Widget* widget = Nexus::getDesktopGUI();
-    if (!widget)
+    if (!widget) {
         return true;
-    if (!widget->isActiveWindow())
+    }
+
+    qDebug() << "Handling [activate] event from other instance";
     widget->forceShow();
 
     return true;