Fix for missing comment text in reference viewer.
#UE-9833 - Reference viewer doesn't display text in the bubbles
#Branch UE4-Releases
#Proj GraphEditor
#lockdown Nick.Whiting
[CL 2449911 by Matthew Griffin in Main branch]
Blueprints now start with basic nodes, in a disabled state that will not be compiled. These nodes will auto-enable if you connect another node to them.
#jira UE-7189 - Make sure that newly created Blueprints always have a nice starting point
[CL 2448803 by Matthew Griffin in Main branch]
This change re-implements info bubble vertical stacking functionality on GraphNodes.
#UE-9280 - Node comment bubbles draw on top of diagnostic info bubbles (pin watches, anim states / timeline / latent action time displays / etc...)
#Branch UE4-Releases
#Proj GraphEditor
#info Also added a fix for compact nodes not displaying any comments
codereview Michael.Noland
[CL 2448656 by Matthew Griffin in Main branch]
Graph editor: Fixed regression where node comment bubbles (watch values, anim states, timeline/latent delay display, etc...) would be hugely inflated
#codereview ben.cosh
[CL 2446717 by Matthew Griffin in Main branch]
#UE-7369 - Giving a custom event node a comment will rename that node instead
#UE-7639 - Node comments are cleared when compiling or closing the blueprint
#UE-5661 - New [redundant] CommentBubble in material editor has bugs
#Branch UE4
#Proj Engine, UnrealEd, GraphEditor
#Info This change adds UEdGraphNode::OnUpdateCommentText to allow derived GraphNodes to hook into comment changes where neccesary. I've implemented this on the Material Expressions to address the initial change that resulted in the bugs.
#codereview Richard.TalbotWatkin
[CL 2410122 by Ben Cosh in Main branch]
#UE-2051 - ROCKET: TASK: The ability to write multi-line comments.
#Branch UE4
#Proj GraphEditor
#codereview Nick.Atamas
[CL 2354875 by Ben Cosh in Main branch]