plugin attach, XEP-0363: progress id can now be specified:

progress id can be specified in options, using the "progress_id" option, this can be
more handy for frontends to keep track of attachments progresses.

sat/plugins/plugin_misc_attach.py

@@ -75,6 +75,9 @@ class AttachPlugin:
                 name = attachment["name"] = path.name
 
             options = {}
+            progress_id = attachment.get("progress_id")
+            if progress_id:
+                options["progress_id"] = attachment["progress_id"]
             if client.encryption.isEncryptionRequested(data):
                 # FIXME: we should not use implementation specific value here
                 #   but for not it's the only file encryption method available with
@@ -85,6 +88,7 @@ class AttachPlugin:
                 client,
                 filepath=path,
                 filename=name,
+                options=options,
             )
             uploads_d.append(upload_d)