Fixes frame string formatting for transcoding

Ensures the frame string used for transcoding includes the correct padding,
based on the collection's padding attribute. This resolves issues where
the output file sequence name was not correctly formatted, leading to
transcoding failures.

client/ayon_core/plugins/publish/extract_color_transcode.py

@@ -283,7 +283,11 @@ class ExtractOIIOTranscode(publish.Extractor):
             if collection.holes().indexes:
                 return files_to_convert
 
-            frame_str = "{}-{}#".format(frames[0], frames[-1])
+            # Get the padding from the collection
+            # This is the number of digits used in the frame numbers
+            padding = collection.padding
+
+            frame_str = "{}-{}%0{}d".format(frames[0], frames[-1], padding)
             file_name = "{}{}{}".format(collection.head, frame_str,
                                         collection.tail)