chore: Add External Link icon to Upgrade Button

[lucas-a-pelegrino]

Proposed changes (including videos or screenshots)

This PR simply adds the external link icon to the upgrade subscription button on the private apps page.

Issue(s)

PASLR-28

Steps to test or reproduce

Further comments

[dionisio-bot]

Looks like this PR is ready to merge! 🎉
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[changeset-bot]

⚠️ No Changeset found

Latest commit: cf961d0

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[github-actions]

PR Preview Action v1.4.8
🚀 Deployed preview to https://RocketChat.github.io/Rocket.Chat/pr-preview/pr-33488/
on branch gh-pages at 2024-10-14 17:33 UTC

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.70%. Comparing base (ebe7a29) to head (65f6b41).
Report is 1 commits behind head on release-7.0.0.

Additional details and impacted files

@@              Coverage Diff               @@
##           release-7.0.0   #33488   +/-   ##
==============================================
  Coverage          75.70%   75.70%           
==============================================
  Files                432      432           
  Lines              19919    19919           
  Branches            5084     5084           
==============================================
  Hits               15079    15079           
  Misses              4269     4269           
  Partials             571      571           

Flag	Coverage Δ
unit	75.70% <ø> (ø)

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The merge-base changed after approval.

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The merge-base changed after approval.

The merge-base changed after approval.

The merge-base changed after approval.