Editor Utility Widget - 'Fill Data Table from JSON string' node parsing error

Issue also occurs in 4.25 therefore not a regression.

Original issue was submitted by a user

'Fill Data Table from csv string' node does work though

The following is a snippet of the error output

Expected column '0' not found in input.

Row '1' has more cells than properties, is there a malformed string?

1. Download the attached "DamageData.json" file
2. Create a Struct_Damage file as shown in the attached image
3. Create a data table file "DT_Damage"  based on Struct_Damage
4. Create a editor utility widget 
5. Go to graph, after event construct, connect 'Fill Data Table from JSON string' node
6. Choose DT_Damage as the data table
7. Copy and paste the json string from DamageData.json to JSONString field
8. Right click the utility widget and run it

Results: Errors prompted

Expected: data table updates properly based on json literal

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