Update DFF value using autocomplete rule on employment page

Summary:

Hi everyone, we have a requirement to update the DFF value if any transaction happens on the assignment page.

For example: Assignment DFF has dropdown values YES and NO. HR will update DFF value with "Yes" while doing an assignment update. On the next day or the same day, if any other assignment update action is performed by HR, the DFF value should be set to "No" automatically without any manual interventions. 

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