Fix Attachment Behavior

See #8 (closed) https://notes.desy.de/TF7M9UisTMazetyHH141sA?both#Improve-UI-of-Attachments-tab

Problems

• use the full space of card
  • it already used full space
• dont truncate URLs
  • urls will be truncated in header of the item
  • the url can be viewed if you hover over the item
  • Discussion: Maybe we should display the filename (last part of the url)
• also
  • problems with files and url
  • missing or wrong redirect
  • not possible to download
• edit form has old todo
  • in mixins/AttachmentsMixin.ts --> uploadedDateTime fix this
• Fix for
  • devices
  • platforms
• Notice:
  • It seems that there haven't been any discussion on the features of the attachments tab
  • e.g. when you edit an attachment, you can only update the label but not the file or url

Reasons open links not working

• in components/devices/DevicesAttachmentListItem.vue <base-expandable-list-item> causes the problem because it prevents clicking

    <v-card-text
        class="py-2 px-3"
        @click.stop.prevent="show = !show"
      >