UI issue with Recent Activity view

### Current Behavior

When a “Settings Updated” entry contains long text, the content stretches outside the panel and the username on the right gets pushed off the screen.

### Expected Behavior

The text should stay in the panel.

### Steps To Reproduce

_No response_

### Environment

- FlowFuse version: v2.27.2-fd66ea6-202603111535.0
- Node.js version: v20.20.1
- npm version: unknown
- Platform/OS: unknown
- Browser: unknown

### Have you provided an initial effort estimate for this issue?

I have provided an initial effort estimate