Fix importing files with non-ascii names (#2555)

src/paperless_tika/parsers.py

@@ -90,7 +90,7 @@ class TikaDocumentParser(DocumentParser):
         with open(document_path, "rb") as document_handle:
             files = {
                 "files": (
-                    file_name or os.path.basename(document_path),
+                    "convert" + os.path.splitext(document_path)[-1],
                     document_handle,
                 ),
             }