[AAE-4017] Change label: attach file retrieve metadata

[rbarroso]

Please check if the PR fulfills these requirements

• The commit message follows our guidelines
• Tests for the changes have been added (for bug fixes / features)
• Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (check one with "x")

• Bugfix
• Feature
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation
• Other... Please describe:
  Change labels

What is the current behaviour? (You can also link to an open issue here)
https://alfresco.atlassian.net/browse/AAE-4017

What is the new behaviour?

Does this PR introduce a breaking change? (check one with "x")

• Yes
• No

If this PR contains a breaking change, please describe the impact and migration path for existing applications: ...

Other information:

[CLAassistant]

All committers have signed the CLA.

[codecov-io]

Codecov Report

Merging #6850 (8c035b6) into develop (ab6354d) will increase coverage by 1.63%.
The diff coverage is n/a.

❗ Current head 8c035b6 differs from pull request most recent head 44fbcaf. Consider uploading reports for the commit 44fbcaf to get more accurate results

@@             Coverage Diff             @@
##           develop    #6850      +/-   ##
===========================================
+ Coverage    76.39%   78.02%   +1.63%     
===========================================
  Files          883      367     -516     
  Lines        20088    10130    -9958     
  Branches      4003     2050    -1953     
===========================================
- Hits         15346     7904    -7442     
+ Misses        3515     1585    -1930     
+ Partials      1227      641     -586     

Impacted Files	Coverage Δ
...rm/services/content-cloud-node-selector.service.ts	27.77% <0.00%> (-5.56%)	⬇️
...rc/lib/form/mocks/attach-file-cloud-widget.mock.ts	100.00% <0.00%> (ø)
...re/form/components/widgets/core/container.model.ts
...ets/dynamic-table/required-cell-validator.model.ts
lib/core/pagination/pagination.component.ts
...e/form/components/widgets/error/error.component.ts
...am/components/raphael/raphael-rhombus.component.ts
.../core/dialogs/edit-json/edit-json.dialog.module.ts
lib/core/mock/authentication.service.mock.ts
lib/core/dialogs/edit-json/edit-json.dialog.ts
... and 510 more

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