[ACA-2460] more Arabic translation updates

[suzanadirla]

PR Checklist

Please check if your PR fulfills the following requirements:

- [x] The commit message follows our guidelines: https://github.com/Alfresco/alfresco-content-app/blob/master/CONTRIBUTING.md#commit
- [ ] Tests for the changes have been added (for bug fixes / features)
- [ ] Docs have been added / updated (for bug fixes / features)

PR Type

What kind of change does this PR introduce?

[ ] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Application / Infrastructure changes
[x] Other... Please describe: i18n updates

What is the current behavior?

Issue Number: N/A

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information

[codecov]

Codecov Report

Merging #1151 into development will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           development    #1151   +/-   ##
============================================
  Coverage        69.62%   69.62%           
============================================
  Files              104      104           
  Lines             3453     3453           
  Branches           616      616           
============================================
  Hits              2404     2404           
  Misses             917      917           
  Partials           132      132

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