fixed Notification page Select Visible items issue

Fixed issue - magento #19285
On Notification page Select All and Select Visible both works same

Author: Shikha Mishra

app/code/Magento/Backend/Block/Widget/Grid/Massaction/AbstractMassaction.php

@@ -277,14 +277,8 @@ public function getGridIdsJson()
         }
         /** @var \Magento\Framework\Data\Collection $allIdsCollection */
         $allIdsCollection = clone $this->getParentBlock()->getCollection();
-
-        if ($this->getMassactionIdField()) {
-            $massActionIdField = $this->getMassactionIdField();
-        } else {
-            $massActionIdField = $this->getParentBlock()->getMassactionIdField();
-        }
-
-        $gridIds = $allIdsCollection->setPageSize(0)->getColumnValues($massActionIdField);
+        $gridIds = $allIdsCollection->getAllIds();
+        
         if (!empty($gridIds)) {
             return join(",", $gridIds);
         }