Fix incorrect repository count on organization tab of dashboard

[jpraet]

Fixes #17249

[codecov-commenter]

Codecov Report

Merging #17256 (22521ab) into main (cd0928f) will not change coverage.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main   #17256   +/-   ##
=======================================
  Coverage   45.27%   45.27%           
=======================================
  Files         779      779           
  Lines       87349    87349           
=======================================
  Hits        39544    39544           
+ Misses      41387    41384    -3     
- Partials     6418     6421    +3     

Impacted Files	Coverage Δ
models/org.go	74.38% <100.00%> (ø)
modules/charset/charset.go	71.71% <0.00%> (-4.05%)	⬇️
modules/git/repo_base_nogogit.go	82.85% <0.00%> (-2.86%)	⬇️
modules/git/utils.go	68.05% <0.00%> (-2.78%)	⬇️
modules/queue/queue_channel.go	95.00% <0.00%> (-1.67%)	⬇️
models/repo_list.go	77.64% <0.00%> (-0.79%)	⬇️
services/pull/pull.go	41.78% <0.00%> (-0.41%)	⬇️
models/issue_comment.go	51.61% <0.00%> (-0.30%)	⬇️
modules/queue/queue_bytefifo.go	59.88% <0.00%> (+0.59%)	⬆️
modules/log/event.go	62.50% <0.00%> (+1.85%)	⬆️
... and 3 more

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