escape quotation marks in Content-Disposition header

lib/pleroma/plugs/uploaded_media.ex

@@ -27,6 +27,8 @@ def call(%{request_path: <<"/", @path, "/", file::binary>>} = conn, opts) do
     conn =
       case fetch_query_params(conn) do
         %{query_params: %{"name" => name}} = conn ->
+          name = String.replace(name, "\"", "\\\"")
+
           conn
           |> put_resp_header("Content-Disposition", "filename=\"#{name}\"")