Support DictionaryArray in add kernel

[viirya]

Is your feature request related to a problem or challenge? Please describe what you are trying to do.

Adding DictionaryArray support to add kernel.

Describe the solution you'd like
A clear and concise description of what you want to happen.

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
Add any other context or screenshots about the feature request here.