Fix Samsung Oreo sorting issue

app/src/main/java/org/tasks/tasklist/TaskListRecyclerAdapter.java

@@ -113,7 +113,7 @@ public class TaskListRecyclerAdapter extends RecyclerView.Adapter<ViewHolder>
     if (!adapter.isManuallySorted()) {
       startActionMode();
     }
-    if (mode != null) {
+    if (mode != null && !viewHolder.isMoving()) {
       toggle(viewHolder);
     }
     return true;

app/src/main/java/org/tasks/tasklist/ViewHolder.java

@@ -143,6 +143,10 @@ class ViewHolder extends RecyclerView.ViewHolder {
     updateBackground();
   }
 
+  boolean isMoving() {
+    return moving;
+  }
+
   private void updateBackground() {
     if (selected || moving) {
       rowBody.setBackgroundColor(selectedColor);