[BUG] Describe Image Phi 3.5 Vision CPU don't work or extremely slow

[khmyznikov]

Describe the bug
With sample image it takes about 3-5 minutes to process but result is there.
But my own image immidiately falls into exception.

input sequence_length (2526) is >= max_length (2500)

 at Microsoft.ML.OnnxRuntimeGenAI.Result.VerifySuccess(IntPtr nativeResult)
   at Microsoft.ML.OnnxRuntimeGenAI.Generator..ctor(Model model, GeneratorParams generatorParams)
   at AIDevGallery.Samples.OpenSourceModels.MultimodalModels.DescribeImage.<InferStreaming>d__9.MoveNext() in X:\Github\ai-dev-gallery\AIDevGallery\Samples\Open Source Models\Multimodal Models\DescribeImage.xaml.cs:line 137
   at AIDevGallery.Samples.OpenSourceModels.MultimodalModels.DescribeImage.<InferStreaming>d__9.System.Threading.Tasks.Sources.IValueTaskSource<System.Boolean>.GetResult(Int16 token)
   at AIDevGallery.Samples.OpenSourceModels.MultimodalModels.DescribeImage.<>c__DisplayClass11_0.<<LoadAndDescribeImage>b__0>d.MoveNext() in X:\Github\ai-dev-gallery\AIDevGallery\Samples\Open Source Models\Multimodal Models\DescribeImage.xaml.cs:line 203
   at AIDevGallery.Samples.OpenSourceModels.MultimodalModels.DescribeImage.<>c__DisplayClass11_0.<<LoadAndDescribeImage>b__0>d.MoveNext() in X:\Github\ai-dev-gallery\AIDevGallery\Samples\Open Source Models\Multimodal Models\DescribeImage.xaml.cs:line 203

Windows DevKit Volterra