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

When "Coffee" 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 "Coffee" in the search bar

Actual Result:

Only one "Coffee Machine" Example should be displayed

Expected Result:

Two "Coffee Machine" Examples are displayed

Reproducibility: 100%