Fix replace and pasteasset

Author: inxomnyaa

src/xenialdan/MagicWE2/task/AsyncPasteAssetTask.php

@@ -72,7 +72,7 @@ public function onRun(): void
 		/** @var Selection $selection */
 		$selection = igbinary_unserialize($this->selection/*, ['allowed_classes' => [Selection::class]]*/);//TODO test pm4
 
-		$manager = $selection->getIterator()->getManager();
+		$manager = $this->manager;
 //		unset($touchedChunks);
 
 		//$selection = igbinary_unserialize($this->selection/*, ['allowed_classes' => [Selection::class]]*/);//TODO test pm4

src/xenialdan/MagicWE2/task/AsyncReplaceTask.php

@@ -62,7 +62,7 @@ public function onRun(): void
 		/** @var Selection $selection */
 		$selection = igbinary_unserialize($this->selection/*, ['allowed_classes' => [Selection::class]]*/);//TODO test pm4
 
-		$manager = $selection->getIterator()->getManager();
+		$manager = $this->manager;
 
 		$oldBlocks = iterator_to_array($this->execute($manager, $selection, $this->searchBlocks, $this->replaceBlocks, $changed));