The "Filter by reason" updates automatically to the "All reasons" option when the /flagged page is refreshed

[emilghittasv]

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Steps to reproduce Steps to reproduce the behavior:

1. Go to https://support.allizom.org/en-US/flagged
2. Choose an option from the "Filter by reason" dropdown (except the "All reasons" default option).
3. Perform an action (update the reported status) or refresh the page.

Expected behavior The /flagged page filters the flagged content based on the option selected in step 2.

Actual behavior The /flagged page filters the flagged content back to "All reasons" default option which could cause some frustration among our trusted contributors since they might want to handle multiple reports coming from only a particular reason.

Screencasts

Desktop:

• OS: Windows 11
• Browser: Firefox

Additional context This issue is reproducible in stage only.

[akatsoulas]

PR https://github.com/mozilla/kitsune/pull/6258

[emilghittasv]

@akatsoulas This issue is partially fixed.

The "Filter by reason" no longer switches to "All reasons" when refreshing the page via the browser refresh button. The "Filter by reason" still updates back to "All reasons" option when updating a flagged item via the "Update" button.

https://github.com/user-attachments/assets/5eeba5b5-22de-4709-a98c-49f6d8123c1d

I'm moving this ticket back inside the in progress column.

[akatsoulas]

PR https://github.com/mozilla/kitsune/pull/6263

[emilghittasv]

I can confirm that this issue is verified fixed in stage.

Moving this ticket inside the release column.