🔧 Fix typos in source code

Found via `codespell -q 3 -S *.po,./frontend/yarn.lock -L childs,clen,fpr,inflight,ody,ot,ro,te,trys,ue`
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Internal Server Error - Gitea: Git with a cup of tea
500 Internal Server Error

Gitea Version: 1.28.0+dev-477-g8b6ad49a5f