Update Accession Page: Major Update - P5

[Kyle-SAEON]

On the update accession page, a feature for major update of an existing accession needs to be added. The use case stands as follows: A curator needs to update an existing accession which include changes to the data values themselves.

The major revision should be structured as follows:

The download link should point to 1 - data folder, which would be zipped before downloaded.