fix: accept answer fails when short links enabled (#1541)#1544
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The ownership check added to AcceptAnswer compared the answer's QuestionID against the request's QuestionID directly. When short links are enabled, answerRepo.GetByID re-encodes QuestionID to its short form while the controller de-shorts req.QuestionID to its long form, so the two encodings of the same question never matched and every accept returned "Answer do not found". Normalize both ids via uid.DeShortID before comparing, preserving the privilege-escalation guard for answers that truly belong to another question.
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Close #1541
The ownership check added to AcceptAnswer compared the answer's QuestionID against the request's QuestionID directly. When short links are enabled, answerRepo.GetByID re-encodes QuestionID to its short form while the controller de-shorts req.QuestionID to its long form, so the two encodings of the same question never matched and every accept returned "Answer do not found". Normalize both ids via uid.DeShortID before comparing, preserving the privilege-escalation guard for answers that truly belong to another question.
Validated in local environment.