Fix texture from img on Safari

src/Engines/thinEngine.ts

@@ -3178,7 +3178,7 @@ export class ThinEngine {
             };
 
             if (!fromData || isBase64) {
-                if (buffer && ((<HTMLImageElement>buffer).decoding || (<ImageBitmap>buffer).close)) {
+                if (buffer && (typeof (<HTMLImageElement>buffer).decoding === "string" || (<ImageBitmap>buffer).close)) {
                     onload(<HTMLImageElement>buffer);
                 } else {
                     ThinEngine._FileToolsLoadImage(url, onload, onInternalError, scene ? scene.offlineProvider : null, mimeType);