fix: bug of accounting deleted files in files limiter

Author: semrosin

HwProj.APIGateway/HwProj.APIGateway.API/Filters/FilesCountLimiter.cs

@@ -17,7 +17,7 @@ public async Task<bool> CheckCountLimit(ProcessFilesDTO processFilesDto)
         var existingStatuses = await contentServiceClient.GetFilesStatuses(processFilesDto.FilesScope);
         if (!existingStatuses.Succeeded) return false;
 
-        var existingIds = existingStatuses.Value.Select(f => f.Id).ToList();
+        var existingIds = existingStatuses.Value.Where(f => f.Status == "ReadyToUse").Select(f => f.Id).ToList();
         if (processFilesDto.DeletingFileIds.Any(id => !existingIds.Contains(id)))
             return false;