Use a simple format for the big number on ui

[a1012112796]

As title, It's same with GH.

[codecov-commenter]

Codecov Report

Merging #12822 into master will increase coverage by 0.16%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master   #12822      +/-   ##
==========================================
+ Coverage   42.93%   43.10%   +0.16%     
==========================================
  Files         655      655              
  Lines       72329    72347      +18     
==========================================
+ Hits        31054    31182     +128     
+ Misses      36253    36113     -140     
- Partials     5022     5052      +30     

Impacted Files	Coverage Δ
modules/templates/helper.go	47.26% <ø> (ø)
modules/base/tool.go	64.63% <100.00%> (+2.79%)	⬆️
modules/log/event.go	57.54% <0.00%> (-1.89%)	⬇️
services/pull/pull.go	40.78% <0.00%> (ø)
models/pull.go	55.17% <0.00%> (+0.62%)	⬆️
services/mailer/mail.go	55.91% <0.00%> (+1.07%)	⬆️
modules/notification/notification.go	81.25% <0.00%> (+2.67%)	⬆️
modules/notification/base/null.go	71.42% <0.00%> (+2.85%)	⬆️
modules/git/commit.go	54.72% <0.00%> (+4.05%)	⬆️
modules/notification/mail/mail.go	34.48% <0.00%> (+5.74%)	⬆️
... and 3 more

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[lunny]

I moved this to v1.13 since it's unnecessary to wait.