Fix pen/highlighter tool single tap.

Fixes #9745

app/src/main/java/org/thoughtcrime/securesms/imageeditor/ImageEditorView.java

@@ -437,9 +437,10 @@ public final class ImageEditorView extends FrameLayout {
         } else {
           tapListener.onEntitySingleTap(null);
         }
-      }
         return true;
       }
+      return false;
+    }
 
     @Override
     public boolean onDown(MotionEvent e) {