Dominik Csapak 0af8c26b74 ui: tape/BackupOverview: insert a datastore level
since we can now backup multiple datastores in the same media-set,
we show the datastores as first level below that

the final tree structucture looks like this:

tapepool A
- media set 1
 - datastore I
  - tape x
   - ct/100
    - ct/100/2020-01-01T00:00:00Z

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
2021-03-17 13:37:49 +01:00
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