VisualEffect.SetTexture doesn't dirty the vfx component

Steps to reproduce:

1. import the provided UnityPackage
2. open the map named VFXG_BugRepro_SetTexture
3. In the scene hierarchy select the VFX object VFXG_Gradient_toCOlor
4. Enter Playmode.

Actual results: The Color of particles are updated thanks to a texture set by script.
The Gradient TXT texture property isn't properly updated has the asset isn't dirty when doing a VisualEffect.SetTexture via script.

Expected results: 

The GradientTXT texture property should be properly updated and vfx object dirty so that it can be saved.

Reproducible with versions: 6000.2.0a1 & 2022.3.53f1

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