fix: [IOCOM-2160] Service button accessibility role in message details

[Vangaorth]

Short description

This PR fixes the accessibility role of the service button, in the message details' screen.

List of changes proposed in this pull request

• Added "button" accessibility role

How to test

Using a real device (both Android and iOS), check that the service link is announced with the "button" role, on the message details' screen.

[github-actions]

Jira Pull Request Link

This Pull Request refers to Jira issues:

• IOCOM-2160

[github-actions]

PR Title Validation for conventional commit type

✅ All good! PR title follows the conventional commit type.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 51.08%. Comparing base (04d2853) to head (c444c3e).
Report is 2 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6758      +/-   ##
==========================================
- Coverage   51.09%   51.08%   -0.01%     
==========================================
  Files        1583     1583              
  Lines       32710    32709       -1     
  Branches     7404     7355      -49     
==========================================
- Hits        16712    16711       -1     
  Misses      15952    15952              
  Partials       46       46              

Files with missing lines	Coverage Δ
.../components/MessageDetail/MessageDetailsHeader.tsx	100.00% <100.00%> (ø)
...es/components/MessageDetail/OrganizationHeader.tsx	93.33% <ø> (ø)

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