Staff access to filter non public places

[dracos]

Two related changes - one to let staff search non-public reports in the front page external ID search, and another for staff to see staff categories in the map filters.

[codecov]

Codecov Report

Merging #3616 (f3fd987) into master (a6e7516) will decrease coverage by 23.19%.
The diff coverage is 75.00%.

❗ Current head f3fd987 differs from pull request most recent head ed30ed7. Consider uploading reports for the commit ed30ed7 to get more accurate results

@@             Coverage Diff             @@
##           master    #3616       +/-   ##
===========================================
- Coverage   82.60%   59.40%   -23.20%     
===========================================
  Files         346      282       -64     
  Lines       23585    19164     -4421     
  Branches     3589     3584        -5     
===========================================
- Hits        19483    11385     -8098     
- Misses       2974     6575     +3601     
- Partials     1128     1204       +76     

Impacted Files	Coverage Δ
perllib/FixMyStreet/App/Controller/Around.pm	69.41% <66.66%> (-12.97%)	⬇️
perllib/FixMyStreet/App/Controller/Reports.pm	71.46% <100.00%> (-15.71%)	⬇️
perllib/FixMyStreet/App/Form/Wizard.pm	5.88% <0.00%> (-94.12%)	⬇️
perllib/FixMyStreet/App/Form/Waste/Garden.pm	11.11% <0.00%> (-88.89%)	⬇️
perllib/FixMyStreet/DB/Result/AdminLog.pm	8.16% <0.00%> (-85.72%)	⬇️
perllib/FixMyStreet/App/Controller/Noise.pm	8.42% <0.00%> (-84.22%)	⬇️
perllib/FixMyStreet/App/Controller/Auth/Profile.pm	15.96% <0.00%> (-82.36%)	⬇️
perllib/FixMyStreet/App/Controller/Admin/Roles.pm	16.36% <0.00%> (-81.82%)	⬇️
.../FixMyStreet/App/Controller/Admin/ManifestTheme.pm	18.18% <0.00%> (-81.82%)	⬇️
...erllib/FixMyStreet/App/Controller/Questionnaire.pm	11.45% <0.00%> (-80.16%)	⬇️
... and 185 more

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[davea]

I must have been doing something wrong before because on re-inspection this is in fact working correctly on /reports :) (Tests would be nice though!)