Disable select-all for large collections. (#595)

Author: ericturner1

app/code/core/Mage/Adminhtml/Block/Newsletter/Subscriber/Grid.php

@@ -198,6 +198,7 @@ protected function _prepareMassaction()
     {
         $this->setMassactionIdField('subscriber_id');
         $this->getMassactionBlock()->setFormFieldName('subscriber');
+        $this->getMassactionBlock()->setUseSelectAll(false);
 
         $this->getMassactionBlock()->addItem('unsubscribe', array(
              'label'        => Mage::helper('newsletter')->__('Unsubscribe'),

app/code/core/Mage/Adminhtml/Block/Review/Grid.php

@@ -210,6 +210,7 @@ protected function _prepareMassaction()
         $this->setMassactionIdFilter('rt.review_id');
         $this->setMassactionIdFieldOnlyIndexValue(true);
         $this->getMassactionBlock()->setFormFieldName('reviews');
+        $this->getMassactionBlock()->setUseSelectAll(false);
 
         $this->getMassactionBlock()->addItem('delete', array(
             'label'=> Mage::helper('review')->__('Delete'),