## Context
Addresses 2 issues found for the Replication UI
- "Disable Pipelines" CTA was still being shown despite Pipelines not
being enabled yet
- Opting to show the "Enable Pipelines" CTA instead in this case, which
will open the `EnablePipelinesModal`
<img width="269" height="162" alt="image"
src="https://github.com/user-attachments/assets/41e5ec7d-11b1-4008-ae9d-64def00329eb"
/>
- Fixes "Disable Pipelines" being incorrectly disabled
<!-- This is an auto-generated comment: release notes by coderabbit.ai
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## Summary by CodeRabbit
* **New Features**
* Added options to enable or disable Pipelines directly from the
replication destinations menu.
* Added an enablement modal with messaging and upgrade actions based on
available access.
* Added support for opening the Pipelines modal through external
controls.
* **Bug Fixes**
* Corrected action disabled states and destination-removal guidance.
* Improved error handling when disabling Pipelines, including a reliable
fallback message.
* Refined modal and dialog layout spacing for a more consistent
presentation.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Joshen Lim
78957bcd68