Display images in the SVG viewport renderer via canvases instead of base64 PNGs (#2903)

* add: move images as rendered canvases to node_graph_executor

* add: added the frontend message

* fix: bytemuck stuff

* fix: canvas element breaking

* fix: width issues

* fix: remove the old message

* npm: run lint-fix

* fix

* works finally

* fix transforms

* Fix self closing tag

* fix: reuse id

* fix: have it working with repeat instance

* cargo: fmt

* fix

* Avoid "canvas" prefix to IDs

* fix

* fix: vello issue from 6111440

* fix: gpu stuff

* fix: vello bbox

* Code review

---------

Co-authored-by: hypercube <0hypercube@gmail.com>
Co-authored-by: Keavon Chambers <keavon@keavon.com>

node-graph/gcore/src/blending.rs

@@ -56,6 +56,10 @@ impl AlphaBlending {
 			clip: if t < 0.5 { self.clip } else { other.clip },
 		}
 	}
+
+	pub fn opacity(&self, mask: bool) -> f32 {
+		self.opacity * if mask { 1. } else { self.fill }
+	}
 }
 
 #[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]