Searching "Map Viewer" in example section gives duplicate output when 6.5.4 is selected

Description:-

When "Map Viewer" is searched with 6.5.4 version selected on the Qt Creator Examples windows, it gives out 2 results of the same example.

Steps to reproduce:

1. Run the Qt Creator
2. Select 6.5.4 on the Examples page.
3. Search "Map Viewer" in the search bar

Actual Result:

Only one "Map Viewer" Example should be displayed

Expected Result:

Two "Map Viewer" Examples are displayed

Reproducibility: 100%