[Bug]: Soft Inpaint on Forge2 doesn't appear to work as intended (First noticed this issue in ReForge; it is happening in Forge as well)

Ok this was a problem that I first noticed in the new Forge backend of ReForge, but it seems like it is an issue with the new Forge backend itself.

When you go to Soft Inpaint something and the mask blur is greater than the mask itself, the UI will display the inpainted output only to return an output where nothing changes and the picture remains the exact same. This appears to have been severely exaggerated in Forge2 where sometimes inpainting is impossible without setting the mask blur to 0 (sometimes between 3 or 4 for larger masks), because the UI will attempt to inpaint but drop it otherwise.

This does not appear in any webuis using the old Gradio backend e.g. Forge-classic or Forge1 of ReForge. It is exclusively an issue with inpainting in New Forge backend UIs.

Start by reproducing Soft Inpaint in a New Forge backend UI with mask blur greater than the mask, then compare the behavior with Forge-classic or Forge1 using the same image and settings. Trace the inpainting path responsible for dropping or preserving the output; done means masks with larger blur produce the intended changed image rather than the unchanged original.