public async Task <IssueDto> GetIssueByIdAsync(ApplicationUser user, long projectId, long issueId, CancellationToken cancellationToken = default)
{
var issue = await _issuesService.GetIssueByIdAsync(user, projectId, issueId, cancellationToken);
return(issue == null ? null : _mapper.Map <IssueDto>(issue));
}