Fixing accessibility violations in user detail row

[randalldfloyd]

Fixes

Fixes #6759

Summary

Suppresses user avatar link, when no avatar file specified, and adds an alt text for when one does.

Type of change (for release notes)

• notes-minor Simple logic change around handling of avatar link in the user detail list

@samvera/hyrax-code-reviewers

[github-actions]

Test Results

    17 files  ±0      17 suites  ±0   2h 18m 35s ⏱️ +55s
 6 717 tests ±0   6 420 ✅ ±0  297 💤 ±0  0 ❌ ±0 
13 204 runs  ±0  12 808 ✅ ±0  396 💤 ±0  0 ❌ ±0 

Results for commit ece7e15. ± Comparison against base commit a8ae953.

This pull request removes 273 and adds 273 tests. Note that renamed tests count towards both.

spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplate:0x00007f5065034758>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplate:0x00007fdb0cbcb918>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplateAccess:0x00007f5063fa9618>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplateAccess:0x00007fdb0cbc5c98>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to destroy AdminSet: fbce70ad-6a49-4e8d-b673-d23238fe5a02
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to destroy Hyrax::AdministrativeSet: 942a61e8-4a2a-4094-8fb9-659447408952
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to edit AdminSet: 336e86e3-7ed5-47fc-bddb-a95a41d84c55
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to edit Hyrax::AdministrativeSet: 945b3161-72c1-4ca7-874f-54a87ce907db
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to update AdminSet: 01cea523-4b49-4c9d-afbe-f4ac70ec871a
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to update Hyrax::AdministrativeSet: 4fa5fe66-e99a-488d-85e9-edad73b6e48b
…

spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplate:0x00007f427c516ce0>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplate:0x00007ff187ca3c00>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplateAccess:0x00007f427c51d9a0>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to create #<Hyrax::PermissionTemplateAccess:0x00007ff18853e888>
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to destroy AdminSet: 58d419c3-a522-4434-ba6a-c3755a3f57a6
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to destroy Hyrax::AdministrativeSet: 2782798a-2725-4963-b87e-0c919945a537
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to edit AdminSet: cd4bb2f8-a2d6-40f4-bb35-ec85bc9af8ae
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to edit Hyrax::AdministrativeSet: 21f31aae-75b4-4935-a857-64fc126d6b13
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to update AdminSet: fb529677-ea0f-421f-90eb-ffc259f10a3d
spec.abilities.ability_spec ‑ Hyrax::Ability AdminSets and PermissionTemplates a user without edit access is expected not to be able to update Hyrax::AdministrativeSet: a45c30b7-270f-445b-9953-771f5e84874a
…

♻️ This comment has been updated with latest results.