Use bitstream description instead of file name in item view if present

[alanorth]

Is your feature request related to a problem? Please describe.
As of DSpace 7.5-SNAPSHOT the item view still uses the file name for bitstreams in the item view.

Describe the solution you'd like
In DSpace 4/5/6 the XMLUI would opportunistically use the bitstream description instead if it was present. This is very useful if you have messy file names and want to display something more pleasant. For example:

[bram-atmire]

I would argue it's a bug instead of a new feature. If we are no longer leveraging/using bitstream descriptions in a case where we were in the past, it's a bug/regression and not a new feature.

Can confirm that I recently saw the exact same behaviour, where we tried to modify the displayed bitstream name by adding a description but where that didn't seem to have any effect.

[alanorth]

I just realized that the description is used on the full item page:

So this should be very easy to fix in the simple item view. I've submitted #2108 to fix this. Please take a look, as I'm new to Angluar. Thanks!

[tdonohue]

Moving this to the 7.6 board in case we can find a volunteer. As discussed in #2108 comments, I think the solution here needs to include both the description and the filename, as both were discoverable in 6.x. So, simply replacing the filename with the description doesn't seem like a full solution. See this comment for more details: #2108 (comment)

In any case, needs a volunteer

[alanorth]

FYI I've implemented this as a themed file-section component. Here's how it looks:

The component opportunistically uses the bitstream description and appends the file extension (via a helper function in the component). If the bitstream doesn't have a description then the old behavior is used:

[alanorth]

Closing as this seems to be a preference of some sites based on past XMLUI behavior, but has the drawback that the file name/type is not visible when hovering over the link. It is very easy to create a themed file-section component to add these changes.