[ty_serializer] Fix ReadOnlyArray render
[ty_serializer] Fix ReadOnlyArray render

Summary: Bug fix

Reviewed By: pakoito

Differential Revision: D12990387

fbshipit-source-id: 304d5b137a3184d4d3d11e8e7b123727424d88fe

AgentME/flow,gabelevi/flow,facebook/flow,samwgoldman/flow,facebook/flow,facebook/flow,samwgoldman/flow,popham/flow,gabelevi/flow,AgentME/flow,samwgoldman/flow,mroch/flow,mroch/flow,mroch/flow,AgentME/flow,gabelevi/flow,facebook/flow,samwgoldman/flow,facebook/flow,mroch/flow,samwgoldman/flow,popham/flow,facebook/flow,popham/flow,popham/flow,gabelevi/flow,gabelevi/flow,popham/flow,samwgoldman/flow,gabelevi/flow,popham/flow,AgentME/flow,mroch/flow,AgentME/flow,popham/flow,facebook/flow,mroch/flow,gabelevi/flow,mroch/flow,samwgoldman/flow