fix: add missing params to ElementMetadata (#3092)

A couple of parameters needed for DOCX image extraction were not added
as parameters to the `ElementMetadata` constructor when they were added
as known fields.

Also repair a couple gaps in alphabetical ordering cause by recent
additions.

unstructured/documents/elements.py

@@ -234,13 +234,15 @@ def __init__(
  filename: Optional[str | pathlib.Path] = None,
  filetype: Optional[str] = None,
  header_footer_type: Optional[str] = None,
+ image_base64: Optional[str] = None,
+ image_mime_type: Optional[str] = None,
  image_path: Optional[str] = None,
  is_continuation: Optional[bool] = None,
  languages: Optional[list[str]] = None,
  last_modified: Optional[str] = None,
+ link_start_indexes: Optional[list[int]] = None,
  link_texts: Optional[list[str]] = None,
  link_urls: Optional[list[str]] = None,
- link_start_indexes: Optional[list[int]] = None,
  links: Optional[list[Link]] = None,
  orig_elements: Optional[list[Element]] = None,
  page_name: Optional[str] = None,
@@ -251,8 +253,8 @@ def __init__(
  sent_to: Optional[list[str]] = None,
  signature: Optional[str] = None,
  subject: Optional[str] = None,
- text_as_html: Optional[str] = None,
  table_as_cells: Optional[dict[str, str | int]] = None,
+ text_as_html: Optional[str] = None,
  url: Optional[str] = None,
  ) -> None:
  self.attached_to_filename = attached_to_filename
@@ -274,6 +276,8 @@ def __init__(
 
  self.filetype = filetype
  self.header_footer_type = header_footer_type
+ self.image_base64 = image_base64
+ self.image_mime_type = image_mime_type
  self.image_path = image_path
  self.is_continuation = is_continuation
  self.languages = languages