[DF-421]: Particle Editor - REGISTER_CLASS issue for ParticleEffectNode is fixed.
[DF-545] is fixed.
[DF-548] Issue fixed.
[DF-549] Issue fixed.
[DF-421] Add widgets scroll value to visual state storing/restoring
[DF-547]  Fix is implemented.
[DF-546] particle layer add sprite rotation angle and angle variation time lime.
[DF-551] Issue is fixed.
Merge remote-tracking branch 'origin/ParticleEditorQT_Refactoring_SceneGraph' into ParticleEditorQT_Refactoring_SceneGraph
Fixes for [DF-546], [DF-547] and [DF-551] issues are merget to feature-new-material branch.