[Bexley][WW] Fetch successful collections alongside other in-cab logs

[nephila-nacrea]

For https://3.basecamp.com/4020879/buckets/35109031/todos/7411178677.

Logs with a reason of 'N/A' were being ignored, but we need them to check whether a collection has already been made today for a given service.

[skip changelog]

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 77.77778% with 4 lines in your changes are missing coverage. Please review.

Project coverage is 82.60%. Comparing base (cf1ca81) to head (78fabdd).

Files	Patch %	Lines
perllib/FixMyStreet/Cobrand/Bexley/Waste.pm	77.77%	0 Missing and 4 partials :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #4969 +/- ## ======================================= Coverage 82.59% 82.60% ======================================= Files 393 393 Lines 30751 30756 +5 Branches 4876 4877 +1 ======================================= + Hits 25400 25405 +5 + Misses 3898 3897 -1 - Partials 1453 1454 +1 ```

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