Icu 17881 UI desktop add rdp launch button in target detail view

[DhariniJeeva]

Description

This pr adds support to launch rdp client from target details page
https://hashicorp.atlassian.net/browse/ICU-17879
https://hashicorp.atlassian.net/browse/ICU-17881

Screenshots (if appropriate)

rdp target with windows-app client:

tcp target:

How to Test

note: reach out for cluster details if you'd like to test this]

• since we don't have a way to set preffered client in the settings view yet, we can just update the service to hardcode the client such as @tracked preferredRdpClient = 'windows-app' for mac and @tracked preferredRdpClient = 'mstsc' for windows
• click on rdp target to get to the details page
• click on open to launch rdp client
• should see connect for non rdp targets or rdp target with no preferred client(if step 1 is not done)

Checklist

• I have added before and after screenshots for UI changes
• I have added JSON response output for API changes
• I have added steps to reproduce and test for bug fixes in the description
• I have commented on my code, particularly in hard-to-understand areas
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• I have added a11y-tests label to run a11y audit tests if needed

PCI review checklist

• I have documented a clear reason for, and description of, the change I am making.
• If applicable, I've documented a plan to revert these changes if they require more than reverting the pull request.
• If applicable, I've documented the impact of any changes to security controls.
  Examples of changes to security controls include using new access control methods, adding or removing logging pipelines, etc.

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Project	Deployment	Preview	Comments	Updated (UTC)
boundary-ui	Ready	Preview	Comment	Oct 30, 2025 10:28pm
boundary-ui-desktop	Ready	Preview	Comment	Oct 30, 2025 10:28pm

[hashicc]

Looks good! I'm not entirely sure if the try/catch is necessary when quickConnectAndLaunchRdp already has one?

[priya-patel04]

Looks great! 🎉

[hashicc]

🚀 Looks good!