Update src/worker/worker.js

- The context hint should be willReadFrequently: true since getImageData is called on line 291 as a fallback. The 'false' value may hurt performance when ImageData is actually needed.

Co-authored-by: Copilot <[email protected]>

Author: kalwalt

src/worker/worker.js

@@ -276,7 +276,7 @@ onMessage(async (ev) => {
                     if (!offscreenCanvas || canvasW !== w || canvasH !== h) {
                         canvasW = w; canvasH = h;
                         offscreenCanvas = new OffscreenCanvas(canvasW, canvasH);
-                        offscreenCtx = offscreenCanvas.getContext('2d', { willReadFrequently: false });
+                        offscreenCtx = offscreenCanvas.getContext('2d', { willReadFrequently: true });
                     }
 
                     offscreenCtx.clearRect(0, 0, canvasW, canvasH);