Fix error from d9775d0: cannot import GEDCOM files

Author: fisharebest

app/Services/TreeService.php

@@ -219,6 +219,8 @@ public function importGedcomFile(Tree $tree, StreamInterface $stream, string $fi
             'imported' => 0,
         ]);
 
+        DB::table('gedcom_chunk')->where('gedcom_id', '=', $tree->id())->delete();
+
         $stream = $stream->detach();
 
         // Convert to UTF-8.
@@ -279,7 +281,6 @@ public function delete(Tree $tree): void
         DB::table('module_privacy')->where('gedcom_id', '=', $tree->id())->delete();
         DB::table('hit_counter')->where('gedcom_id', '=', $tree->id())->delete();
         DB::table('default_resn')->where('gedcom_id', '=', $tree->id())->delete();
-        DB::table('gedcom_chunk')->where('gedcom_id', '=', $tree->id())->delete();
         DB::table('log')->where('gedcom_id', '=', $tree->id())->delete();
         DB::table('gedcom')->where('gedcom_id', '=', $tree->id())->delete();
     }