Changing the case of any node with a String input will not be saved

Changing the case of any node with a String input will not be saved

User Description:

Changing case of any string input in BP not accepted

But the problem is still happened on any string input of BP functions (PrintString, ExecuteConsoleCommand, Append string). Could you guys fix this. I know it's not a major improving but it cause annoying and fixing this make UE4 more "Complete".

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FYI: Here is a GitHub commit that was rejected that was made to fix this.

https://jira.ol.epicgames.net/browse/UE-12208

1. Create an actor class BP and open it
2. Right-click and create a Print String node (or any node with a Sting input)
3. Attempted to change the 'Hello' to 'hello'

Results: The text will reset to the original casing of 'Hello'

Expected: For the new casing of 'hello' to be saved