editing logs for long messages

[ClicksServices]

Linked Suggestion in Private Developer Channel: Message

Suggestion:

I think it would be a good idea to make edit logs center themselves around the edited portion for short edits in long messages as otherwise it may not show any change.

[ClicksServices]

Suggestion accepted by TheCodedProf#2583

[PineaFan]

Added new diff system, but now we need to log every event (infrastructure is already in place)