How to limit file upload size in spreadsheet's 'File' field

Hi,

Using "Spreadsheet" how i can contraint the maximum file size limit upto 2MB? 

In "Form Grid" the max file size can be set using "Maximum File Size (KB)"  property in the linked (popup) form. But spreadsheet just ignore the "Maximum File Size (KB)" property of the linked form.

I am using the following Joget version.

Version: 6.0.7 - build 508b869

The attachments will help explaining the problem.

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Thanks in advance.