Prevent the simultaneous rendering of Surveys and all types of "Notifications"

## Feature Description

---------------

_Do not alter or remove anything below. The following sections will be managed by moderators only._

## Acceptance criteria

*

## Implementation Brief

* [ ]

### Test Coverage

*

## QA Brief

*

## Changelog entry

*

The issue names no source files, tests, or entry points. First clarify which Survey and Notification components participate, the precedence and rendering behavior required, and the acceptance criteria; done should be demonstrated by tests covering every notification type and the relevant UI states.

Written by the indexing model from the issue text.