fix(screenshots): throw on 0x0 screenshots (#3756)

Fix #2672

lib/ExecutionContext.js

@@ -504,6 +504,8 @@ class ElementHandle extends JSHandle {
 
     boundingBox = await this.boundingBox();
     assert(boundingBox, 'Node is either not visible or not an HTMLElement');
+    assert(boundingBox.width !== 0, 'Node has 0 width.');
+    assert(boundingBox.height !== 0, 'Node has 0 height.');
 
     const { layoutViewport: { pageX, pageY } } = await this._client.send('Page.getLayoutMetrics');