Examples: Fix color space in webgl_materials_video_webcam. (#26364)

examples/webgl_materials_video_webcam.html

@@ -48,6 +48,7 @@
 				video = document.getElementById( 'video' );
 
 				const texture = new THREE.VideoTexture( video );
+				texture.colorSpace = THREE.SRGBColorSpace;
 
 				const geometry = new THREE.PlaneGeometry( 16, 9 );
 				geometry.scale( 0.5, 0.5, 0.5 );