fix(cloud): move sessions to workflow group (#4757)

## Description

Moved sessions to the workflow group with the beta tab in the navigation
bar
<img width="342" height="316" alt="Screenshot 2026-08-19 at 20 38 01"
src="https://github.com/user-attachments/assets/e7cb0e13-a3d4-483a-8f2a-4390576dc54a"
/>


## Release note

None.

## Migration note

None.

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