Need a configurable parameter to check the changed file list.

Issue Summary

Need a configurable parameter to check the changed file list.

Steps to Reproduce

1. Step 1: Perform During ZDU upgrade for a datacenter.
2. Step 2: It shows the changed file list for each node
3. Step 3: However, users may not want this intervention
4. Step 4: Configurable parameter to confirm view changed files will help.

Expected Results

1. ZDU should complete the steps without user intervention.

Actual Results

1. ZDU is inter-vented by the changed file list.

Required, if there is no workaround please state:
Currently there is no known workaround for this behaviour. A workaround will be added here when available