Changing a value into an inspector make shaders "playing" ?

[Florent]

Hello,
While was creating a demo project for another problem (my shader do not display on my GalaxyS9) I found this very weird behavior but its maybe normal.... please see attached video and demo project.

Video
UnityProject

Unity 2018.3.0f2
ShaderoEditor (tonight's asset store version)

Thank for your help.

Florent