input: fix crash on touch quicktile

If the filter filters out touchDown it also has to always filter out the
matching touchUp


(cherry picked from commit 0c7d9785)

src/input.cpp

@@ -1230,6 +1230,7 @@ public:
                 m_lastGlobalTouchPos = QPointF();
                 m_lastLocalTouchPos = QPointF();
                 input()->touch()->setDecorationPressId(-1);
+                return true;
             }
             return false;
         }