Remove unnecessary parentheses in wiki/view template

[zeripath]

For 3 years go has happily been interpreting or (x y z) as or x y z>. Go 1.14 does not...

Fix #10552

[codecov-io]

Codecov Report

Merging #10583 into master will decrease coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #10583      +/-   ##
==========================================
- Coverage   43.76%   43.71%   -0.05%     
==========================================
  Files         584      585       +1     
  Lines       81663    82026     +363     
==========================================
+ Hits        35737    35855     +118     
- Misses      41490    41730     +240     
- Partials     4436     4441       +5

Impacted Files	Coverage Δ
models/user_mail.go	48.27% <0%> (-15.92%)	⬇️
modules/notification/action/action.go	39.34% <0%> (-1.23%)	⬇️
modules/queue/workerpool.go	56.93% <0%> (-1.07%)	⬇️
modules/notification/webhook/webhook.go	40.18% <0%> (-0.48%)	⬇️
services/pull/pull.go	34.7% <0%> (-0.2%)	⬇️
services/pull/merge.go	49.34% <0%> (-0.12%)	⬇️
routers/user/auth.go	11.33% <0%> (-0.07%)	⬇️
models/oauth2.go	34.04% <0%> (ø)	⬆️
routers/admin/emails.go	0% <0%> (ø)
routers/routes/routes.go	86.34% <0%> (+0.06%)	⬆️
... and 8 more

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