No matching dashboard filter found when it clearly has been found

[nemanjaglumac]

Describe the bug
When applying a dashboard Location filter (using dropdown) and searching for a city, the UI gives a false warning that the "No matching City found".

Logs
N/A

To Reproduce
Steps to reproduce the behavior:

1. Save "Orders" as a question and add it to a dashboard
2. Add Location filter, choose Dropdown option
3. Connect that filter to the "City" field (implicit join)
4. Save the dashboard
5. Click on the filter widget and enter "abb", the "Abbeville" city will show up
6. Click on it and see that the filter has been applied, but you can see the message "No matching City found"

Expected behavior
Show this message only when there are actually no results.

Screenshots

Information about your Metabase Installation:
local dev, master, d538024

Severity
Although it's confusing, it's P3 because everything works as expected.

Additional context
This behavior may not be connected to the Location filter only. I just gave it as an example.

Related to #7231.