[Activities runner] Restore functionality

runners/activities/activityrunner.cpp

@@ -165,11 +165,14 @@ void ActivityRunner::addMatch(const KActivities::Info &activity, QList<Plasma::Q
 void ActivityRunner::run(const Plasma::RunnerContext &context, const Plasma::QueryMatch &match)
 {
     Q_UNUSED(context)
-
+    if (!m_enabled) {
-    if (!m_enabled || !m_activities) {
         return;
     }
 
+    if (!m_activities) {
+        m_activities = new KActivities::Controller(this);
+    }
+
     m_activities->setCurrentActivity(match.data().toString());
 }