Editor Raw content should contain id 

Currently, we are not saving ID in the Raw content in the chain. 
 return value from terra chain
 ```
 [{"type":"paragraph","children":[{"text":"hello world dfd dfd fAA"}]}]
 ```
 
 Error:
 ```
Each child in a list should have a unique "key" prop.

Check the render method of `RawViewer`.
 ```
