Fix drag and drop in paged caldav/google lists

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

@@ -66,6 +66,11 @@ public class DragAndDropRecyclerAdapter extends TaskListRecyclerAdapter {
             .subscribe(this::applyDiff));
   }
 
+  @Override
+  protected boolean dragAndDropEnabled() {
+    return adapter.supportsParentingOrManualSort();
+  }
+
   @Override
   public TaskContainer getItem(int position) {
     return list.get(position);

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

@@ -51,6 +51,11 @@ public class PagedListRecyclerAdapter extends TaskListRecyclerAdapter {
     recyclerView.getLayoutManager().onRestoreInstanceState(recyclerViewState);
   }
 
+  @Override
+  protected boolean dragAndDropEnabled() {
+    return false;
+  }
+
   @Override
   public int getItemCount() {
     return differ.getItemCount();

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

@@ -80,7 +80,7 @@ public abstract class TaskListRecyclerAdapter extends RecyclerView.Adapter<ViewH
 
   @Override
   public boolean onLongPress(ViewHolder viewHolder) {
-    if (!adapter.supportsParentingOrManualSort()) {
+    if (!dragAndDropEnabled()) {
       taskList.startActionMode();
     }
     if (taskList.isActionModeActive() && !viewHolder.isMoving()) {
@@ -89,6 +89,8 @@ public abstract class TaskListRecyclerAdapter extends RecyclerView.Adapter<ViewH
     return true;
   }
 
+  protected abstract boolean dragAndDropEnabled();
+
   @Override
   public void toggleSubtasks(TaskContainer task, boolean collapsed) {
     taskDao.setCollapsed(task.getId(), collapsed);