Fix issues/pulls dashboard paging error

[lunny]

Fix #9952

[6543]

this solves the one problem but create a new one!!

now if a repo is selected the other repo's are gone (not visilbe to select anymore)

[codecov-io]

Codecov Report

Merging #9998 into master will increase coverage by 1.23%.
The diff coverage is 43.39%.

@@            Coverage Diff             @@
##           master    #9998      +/-   ##
==========================================
+ Coverage   42.26%   43.49%   +1.23%     
==========================================
  Files         610      567      -43     
  Lines       80392    79109    -1283     
==========================================
+ Hits        33975    34412     +437     
+ Misses      42239    40447    -1792     
- Partials     4178     4250      +72

Impacted Files	Coverage Δ
modules/structs/repo.go	36.36% <ø> (ø)	⬆️
routers/api/v1/repo/repo.go	76.22% <ø> (+6.95%)	⬆️
routers/admin/admin.go	10.43% <0%> (-0.77%)	⬇️
routers/repo/setting.go	15.01% <0%> (+0.02%)	⬆️
cmd/manager.go	0% <0%> (ø)
cmd/doctor.go	0% <0%> (ø)	⬆️
routers/private/manager.go	0% <0%> (ø)
modules/graceful/manager_unix.go	40.83% <0%> (-2.53%)	⬇️
routers/repo/milestone.go	0% <0%> (ø)	⬆️
services/pull/review.go	0% <0%> (ø)	⬆️
... and 83 more

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[lunny]

Don't merge, @6543 I will check that.