Merge pull request #1702 from pavel-mironchik/orphaned-rows

Handle a possible issue with orphaned 'document_item_taxes' while upg…

app/Listeners/Update/V21/Version210.php

@@ -435,7 +435,8 @@ class Version210 extends Listener
                 $table->foreign('document_item_id')
                       ->references('id')
                       ->on('document_items')
-                      ->cascadeOnUpdate();
+                      ->cascadeOnUpdate()
+                      ->cascadeOnDelete();
             }
         );