test plan:
- you should see a progress bar appear while
uploading a file for a content migration
(zip, common cartridge, etc.).
- the spinner should not appear when a
progress bar is present
- the spinner should still show up for migrations
that do not involve an upload (e.g., course copy)
- if you attempt to upload a file that would exceed
your quota, the progress bar should not remain visible
and the submit button should not stay "Uploading..."
- if you complete a migration upload and start another,
you should not briefly see a 100% progress bar
appear before going back to 0 and starting again
- if you attempt to start a migration that requires an
upload without actually choosing a file to upload,
you should get an appropriate error and the
"Uploading..." message should not persist
closes LA-1112
flag = none
Change-Id: I632885b1b8cf257f087cda9577867e2a21840785
Reviewed-on: https://gerrit.instructure.com/c/canvas-lms/+/239555
Reviewed-by: Ed Schiebel <eschiebel@instructure.com>
Tested-by: Service Cloud Jenkins <svc.cloudjenkins@instructure.com>
QA-Review: Robin Kuss <rkuss@instructure.com>
Product-Review: Peyton Craighill <pcraighill@instructure.com>
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