Fix switch language

[lunny]

Fix #14482

[codecov-io]

Codecov Report

Merging #14484 (9d9ed87) into master (c10503a) will decrease coverage by 0.01%.
The diff coverage is 25.00%.

@@            Coverage Diff             @@
##           master   #14484      +/-   ##
==========================================
- Coverage   42.11%   42.10%   -0.02%     
==========================================
  Files         758      758              
  Lines       81104    81103       -1     
==========================================
- Hits        34160    34146      -14     
- Misses      41367    41377      +10     
- Partials     5577     5580       +3     

Impacted Files	Coverage Δ
modules/middlewares/locale.go	70.58% <25.00%> (-12.75%)	⬇️
modules/indexer/stats/db.go	56.00% <0.00%> (-12.00%)	⬇️
modules/middlewares/cookie.go	48.27% <0.00%> (-10.35%)	⬇️
modules/git/repo_language_stats_nogogit.go	57.44% <0.00%> (-6.39%)	⬇️
modules/git/batch_reader_nogogit.go	44.77% <0.00%> (-1.50%)	⬇️
services/pull/pull.go	42.15% <0.00%> (-0.50%)	⬇️
modules/queue/workerpool.go	60.00% <0.00%> (ø)
models/repo_list.go	78.76% <0.00%> (+0.88%)	⬆️
modules/process/manager.go	75.00% <0.00%> (+2.50%)	⬆️
models/unit.go	49.31% <0.00%> (+2.73%)	⬆️
... and 1 more

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