Editing a spline component in 5.4 no longer fires construction events.

Licensee found that in 5.4 the spline component when edited in editor, no longer triggered the construction script potentially breaking their art pipeline.

The licensee mentioned the cause is likely due to the change in EndGizmoManipulation from
FActorElementLevelEditorViewportInteractionCustomization to
FcomponentElementLevelEditorViewportInteractionCustomization in the changes for 5.4.

From licensee:
Reproduction is quite easy, can be done with the Epic games launcher versions of the
engine.
1. Create an actor blueprint edit it
2. Add a print string node to the construction script of the actor blueprint
3. add a spline component to the actor blueprint, check off the box that says feed
spline points to construction script
4. Compile and save the actor blueprint
5. place the actor blueprint into the world
6. click on the actor once to select the actor, click on the spline point to move it
around