I think you suggest to use https://www.patternfly.org/v4/components/search-input/#basic component.

@KKoukiou @jelly
I tried to use Select instead of FormSelect , getting error on console. Please refer to screenshot.
I have configured all the things properly imo, not able to figure out why this error is popping up.
One reason which I can think of is the incorrect patternfly dependencies.

Following are being used in cockpit-podman:

"@patternfly/patternfly": "5.0.0-alpha.40",
"@patternfly/react-core": "5.0.0-alpha.72",
"@patternfly/react-icons": "5.0.0-alpha.10",
"@patternfly/react-styles": "5.0.0-alpha.7",
"@patternfly/react-table": "5.0.0-alpha.74",

While the cockpit project is using:

"@patternfly/patternfly": "5.0.0-alpha.43",
"@patternfly/react-core": "5.0.0-alpha.83",
"@patternfly/react-icons": "5.0.0-alpha.12",
"@patternfly/react-styles": "5.0.0-alpha.8",
"@patternfly/react-table": "5.0.0-alpha.85",

I also tried to run the similar code on patternfly v4 website inside editor for Select component, and everything works fine over there.

Do you have a branch pushed somewhere we can check out to aid debugging?

As we use the patternfly alpha release now, maybe you need to adjust the onChange? cockpit-project/cockpit@e9c78af#diff-3186be17476309370c4a7e009de79f2dc8d63591778b712d32a58e2e83c7c915R164

@jelly
Here is the branch.
https://github.com/shubhit7/cockpit-podman/blob/fix-Issue%231216-Allow-the-search-filters-to-be-cleared-or-reset-to-the-default/src/ContainerHeader.jsx

So there are two parts to this issue.

1. Changing owner filter, from FormSelect to Select. This is where I am getting the error.
2. Changing the search field beside owner filter, from TextInput to SearchInput. Working as expected.

The Select.tsx component of patternfly contains toggle instead of onToggle
Not sure how this discrepancy has been introduced.

The Select.tsx component of patternfly contains toggle instead of onToggle Not sure how this discrepancy has been introduced.

Figured out that Select has been deprecated, and Select next is promoted in patternfly alpha release.