Fix visibility of org avatars

[qwerty287]

Views org avatars again.

Fixes #17778

[codecov-commenter]

Codecov Report

Merging #17789 (51a5ef6) into main (21f4401) will decrease coverage by 0.02%.
The diff coverage is 63.63%.

@@            Coverage Diff             @@
##             main   #17789      +/-   ##
==========================================
- Coverage   45.57%   45.54%   -0.03%     
==========================================
  Files         808      808              
  Lines       89982    89987       +5     
==========================================
- Hits        41008    40989      -19     
- Misses      42427    42453      +26     
+ Partials     6547     6545       -2     

Impacted Files	Coverage Δ
modules/templates/helper.go	50.34% <63.63%> (+0.25%)	⬆️
modules/queue/workerpool.go	49.23% <0.00%> (-3.06%)	⬇️
modules/notification/mail/mail.go	35.29% <0.00%> (-2.95%)	⬇️
models/unit/unit.go	41.09% <0.00%> (-2.74%)	⬇️
modules/log/event.go	60.64% <0.00%> (-1.86%)	⬇️
modules/queue/queue_bytefifo.go	59.88% <0.00%> (-1.80%)	⬇️
modules/notification/ui/ui.go	60.86% <0.00%> (-1.45%)	⬇️
models/notification.go	64.79% <0.00%> (-0.87%)	⬇️
models/repo_list.go	78.57% <0.00%> (-0.80%)	⬇️
models/issue_comment.go	52.97% <0.00%> (-0.15%)	⬇️
... and 5 more

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[lunny]

I think it's better

switch t := item.(type) {
case *models.Organization:
default:
}

[lunny]

@Gusted done.