Vision Limitation Threshold is broken

[dev7355608]

Environment Details

• Foundry VTT Version: 10.272

Issue Description

VisionSource#initialize:

    // Compute the constrained vision polygon
-   if ( canvas.scene.globalLight ) {
+   if ( canvas.effects.illumination.globalLight ) {
      this.radius = canvas.dimensions.maxR;
      this.fov = this.los;
    }
    else {

CanvasVisibility#testVisibility:

    const tests = offsets.map(o => ({
      point: new PIXI.Point(point.x + o[0], point.y + o[1]),
      hasLOS: false,
-     hasFOV: canvas.scene.globalLight
+     hasFOV: canvas.effects.illumination.globalLight
    }));

[aaclayton]

Thanks for the report and fix!