fix(viz): SLine and SText are not updated or crash
Description
SText has no autoconnection activated on the input while it is connected on the getAutyoconnection Method.
SLine calls the getTransformNode at creation, which generates issues when the transform node is not present.
Steps to reproduce
Run apps with SLine and SText and try to update it.
Functional specifications
SLine and Sytest should work fine automatically.
Technical specifications
add "true" as third parameter for the SText input.
use getOrCreateTransformNode instead of getTransformNode in SLine
Test plan
run applications with a SLine and a SText