Prevent hidden missed collection selection if given service is no longer eligible

[nephila-nacrea]

Fixes https://github.com/mysociety/societyworks/issues/4342 .

Touches code shared between all cobrands, so presumably fixes the issue across all cobrands. (At the very least, doesn't break existing behaviour - see screengrab below).

https://github.com/mysociety/fixmystreet/assets/11098355/2fc562a9-944f-44d9-b48b-99045c86a7e3

[skip changelog]

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 82.62%. Comparing base (244931d) to head (9734ff3).

:exclamation: Current head 9734ff3 differs from pull request most recent head 942b803

Please upload reports for the commit 942b803 to get more accurate results.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #4986 +/- ## ========================================== + Coverage 82.59% 82.62% +0.02% ========================================== Files 393 393 Lines 30764 30754 -10 Branches 4880 4877 -3 ========================================== - Hits 25411 25409 -2 + Misses 3901 3894 -7 + Partials 1452 1451 -1 ```

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