Remove logo glow to optimize gif generation (#1894)

* remove glow effect

* adding more config

* added workspace

* pass width to screenshot info

* set max number of frames

* bum pxt

sim/dalboard.ts

@@ -147,8 +147,8 @@ namespace pxsim {
             return Promise.resolve();
         }
 
-        screenshotAsync(): Promise<ImageData> {
-            return this.viewHost.screenshotAsync();
+        screenshotAsync(width?: number): Promise<ImageData> {
+            return this.viewHost.screenshotAsync(width);
         }
     }