Pressing Enter in Search window creates two Assets when creating an Asset from search results

Reproduction steps:
1. Create a new project
2. Window > Search > New Window
3. Enter “Asset” into the search field
4. Select a search result that creates an Asset by clicking on it (navigating with the keyboard does not repro)
5. Press enter key to create an Asset
6. Observe created Asset in the Project window

Actual result: Two Assets are created
Expected result: One Asset is created

Reproducible with: 6000.5.0a9 (acc4c1f79cd5), 6000.5.0b8, 6000.6.0a5
Not reproducible with: 6000.0.75f1, 6000.3.15f1, 6000.4.7f1, 6000.5.0a8

Reproduced on: macOS Tahoe 26.4 (M4), Windows 11

Note: Issue is not reproducible when double-clicking the search result