[Batch edit] does not work for localized fields on data objects

[heigpa]

Steps to reproduce

• Login as admin
• Open the cars folder
• Select the car class
• Select some elements
• Perform a batch edit and add a name in english
• Start the batch edit process

Actual behaviour

• Info window appears (Batch edit finished)
• New value is not taken over for the selected elements

Expected behaviour

• New value should be available for the selected elements

Environment

• Playground
• Windows
• Google Chrome