Fix line selection on blame view

[mrsdizzie]

Blame and regular code view have diverged slightly so line highlighting wasn't working properly anymore. Make work again in lieu of a larger refactor of blame HTML to move it outside of source and into templates to match code view.

Fixes #12836

[6543]

nice workaround ;)

works

[codecov-commenter]

Codecov Report

Merging #12857 into master will decrease coverage by 0.01%.
The diff coverage is 73.33%.

@@            Coverage Diff             @@
##           master   #12857      +/-   ##
==========================================
- Coverage   43.17%   43.16%   -0.02%     
==========================================
  Files         654      654              
  Lines       72218    72193      -25     
==========================================
- Hits        31182    31163      -19     
+ Misses      35985    35981       -4     
+ Partials     5051     5049       -2     

Impacted Files	Coverage Δ
routers/user/notification.go	40.17% <0.00%> (-0.37%)	⬇️
services/pull/pull.go	41.27% <78.57%> (-0.30%)	⬇️
modules/git/repo.go	46.70% <0.00%> (-3.05%)	⬇️
modules/log/file.go	73.60% <0.00%> (-1.61%)	⬇️
models/repo_list.go	78.57% <0.00%> (-0.90%)	⬇️
services/pull/check.go	47.69% <0.00%> (-0.77%)	⬇️
modules/log/event.go	59.43% <0.00%> (+1.88%)	⬆️

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[techknowlogick]

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