[v2] Selection components are not scrollable/searchable for forms inside sidepanel

[manV]

Describe the bug Selections(Listboxes/Comboboxes) are not scrollable for forms inside sidepanels

To Reproduce Steps to reproduce the behavior:

1. Go to integrations > http endpoint > click on "Add new integration"
2. select any notification type
3. under advanced options, try scrolling or searching host/container/image/cluster dropdowns.

Expected behavior We should be able to scroll and search the dropdown items.

Components/Services affected

• [x] UI/Frontend
• [ ] API/Backend
• [ ] Agent
• [ ] Deployment/YAMLs
• [ ] CI/CD Integration
• [ ] Other (specify)

Additional context This is a known issue, the base of the fix is covered in https://github.com/deepfence/ThreatMapper/pull/1330