Fix plain text overflow line wrap

[xf-]

Fix #5698

pre-wrap supports still ascii art or other multiple indents, but breaks before line is full and overflow is in use.

[codecov-io]

Codecov Report

Merging #6915 into master will increase coverage by <.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #6915      +/-   ##
==========================================
+ Coverage   41.39%   41.39%   +<.01%     
==========================================
  Files         441      441              
  Lines       59733    59733              
==========================================
+ Hits        24728    24729       +1     
+ Misses      31766    31765       -1     
  Partials     3239     3239

Impacted Files	Coverage Δ
modules/log/colors_router.go	83.33% <0%> (-4.17%)	⬇️
models/repo_list.go	66.84% <0%> (-1.06%)	⬇️
routers/repo/view.go	43.03% <0%> (+1.01%)	⬆️

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[lafriks]

Please rebaset this one first

[xf-]

@lafriks what do you think about #6919
Would make a lot of rebases obsolete

[xf-]

@lafriks done