[BUG] using the mouse to select a query string parameter results in $$ in url

[gavinbarron]

Describe the bug
Using autocomplete can build invalid URLs

To Reproduce
Steps to reproduce the behavior:

1. Go to https://aka.ms/ge
2. click in the query bar
3. type: ?$sel
4. Note that $select is suggested
5. Press enter
6. Query bar shows https://graph.microsoft.com/v1.0/me?$$select=

Expected behavior
Query bar should now show https://graph.microsoft.com/v1.0/me?$select=

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: Windows 11
• Browser Edge
• Version 108