canvas: Add CanvasPattern 'setTranform(transform)' method (#37731)

Follow the HTML canvas specification and add missing
'setTransform(transform)' method to CanvasPattern interface.
https://html.spec.whatwg.org/multipage/#dom-canvaspattern-settransform

Testing: Improvements in the tests
- html/canvas/element/fill-and-stroke-styles/2d.pattern.transform*
- html/canvas/offscreen/fill-and-stroke-styles/2d.pattern.transform*

Signed-off-by: Andrei Volykhin <andrei.volykhin@gmail.com>

components/shared/canvas/canvas.rs

@@ -214,6 +214,7 @@ pub struct SurfaceStyle {
     pub surface_size: Size2D<u32>,
     pub repeat_x: bool,
     pub repeat_y: bool,
+    pub transform: Transform2D<f32>,
 }
 
 impl SurfaceStyle {
@@ -222,12 +223,14 @@ impl SurfaceStyle {
         surface_size: Size2D<u32>,
         repeat_x: bool,
         repeat_y: bool,
+        transform: Transform2D<f32>,
     ) -> Self {
         Self {
             surface_data: ByteBuf::from(surface_data),
             surface_size,
             repeat_x,
             repeat_y,
+            transform,
         }
     }
 }