Enable collapse/expand all for 'My order' sorting

app/src/main/java/com/todoroo/astrid/activity/TaskListFragment.kt

@@ -277,7 +277,7 @@ class TaskListFragment : InjectingFragment(), OnRefreshListener, Toolbar.OnMenuI
         }
         if (preferences.disableSubtasks()
                 || !filter.supportsSubtasks()
-                || taskAdapter.supportsManualSorting()) {
+                || taskAdapter.supportsAstridSorting()) {
             menu.findItem(R.id.menu_collapse_subtasks).isVisible = false
             menu.findItem(R.id.menu_expand_subtasks).isVisible = false
         }

app/src/main/java/com/todoroo/astrid/adapter/AstridTaskAdapter.kt

@@ -36,7 +36,7 @@ class AstridTaskAdapter internal constructor(
         return updater.getIndentForTask(previous.uuid) + 1
     }
 
-    override fun supportsManualSorting() = true
+    override fun supportsAstridSorting() = true
 
     override fun moved(from: Int, to: Int, indent: Int) {
         val source = getTask(from)

app/src/main/java/com/todoroo/astrid/adapter/CaldavManualSortTaskAdapter.kt

@@ -13,8 +13,6 @@ class CaldavManualSortTaskAdapter internal constructor(
         private val localBroadcastManager: LocalBroadcastManager)
     : TaskAdapter(false, googleTaskDao, caldavDao, taskDao, localBroadcastManager) {
 
-    override fun supportsManualSorting() = true
-
     override fun moved(from: Int, to: Int, indent: Int) {
         val task = getTask(from)
         val oldParent = task.parent

app/src/main/java/com/todoroo/astrid/adapter/GoogleTaskManualSortAdapter.kt

@@ -13,8 +13,6 @@ class GoogleTaskManualSortAdapter internal constructor(
         private val localBroadcastManager: LocalBroadcastManager)
     : TaskAdapter(false, googleTaskDao, caldavDao, taskDao, localBroadcastManager) {
 
-    override fun supportsManualSorting() = true
-
     override fun moved(from: Int, to: Int, indent: Int) {
         val task = getTask(from)
         val googleTask = task.googleTask

app/src/main/java/com/todoroo/astrid/adapter/TaskAdapter.kt

@@ -124,7 +124,7 @@ open class TaskAdapter(
         }
     }
 
-    open fun supportsManualSorting(): Boolean = false
+    open fun supportsAstridSorting(): Boolean = false
 
     open fun moved(from: Int, to: Int, indent: Int) {
         val task = getTask(from)