Reported by @vale knoll
Bug Report: Cannot Stitch trimmed videos together
`Steps to Reproduce`
1: Trim a video in drafts (Trim A)
2: Trim a different video in drafts (Trim B)
3: Select Trim A and Trim B for stich
4: Stitch and submit
5: Submission is successful
`Expected Result`
Output new video that is stitchedi n drafts.
`Actual Result`
Spinner shows up fora few seconds, then drops off (presumably fails) and no stitced video appears.
`Environment`
web app.