[#1231] Fix breadcrumbs in plans

[vaszig]

No description provided.

[codecov-commenter]

Codecov Report

Merging #552 (39c85e8) into develop (f0437e6) will increase coverage by 0.00%.
The diff coverage is 90.47%.

@@           Coverage Diff            @@
##           develop     #552   +/-   ##
========================================
  Coverage    96.47%   96.48%           
========================================
  Files          540      541    +1     
  Lines        19216    19302   +86     
========================================
+ Hits         18539    18623   +84     
- Misses         677      679    +2     

Impacted Files	Coverage Δ
src/open_inwoner/plans/urls.py	100.00% <ø> (ø)
src/open_inwoner/plans/views.py	97.26% <77.77%> (-0.62%)	⬇️
...c/open_inwoner/accounts/tests/test_action_views.py	88.63% <100.00%> (+0.26%)	⬆️
src/open_inwoner/plans/tests/test_views.py	100.00% <100.00%> (ø)

... and 5 files with indirect coverage changes

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