pkp/pkp-lib#8700 Dropped safeCount() workaround in favor of getCountF…

…orPagination()

(cherry picked from commit 158cce5)

classes/doi/Repository.php

@@ -261,7 +261,7 @@ public function isAssigned(int $doiId, string $pubObjectType): bool
             return Repo::submissionFile()
                 ->getCollector()
                 ->getQueryBuilder()
-                ->safeCount();
+                ->getCountForPagination();
         };
 
         $isAssigned = match ($pubObjectType) {