Fix wrong drawables being marked non-interactive

Author: GarboMuffin

src/extensions/scratch3_pen/index.js

@@ -142,7 +142,7 @@ class Scratch3PenBlocks {
             this._penSkinId = renderer.createPenSkin();
             this._penDrawableId = renderer.createDrawable(StageLayering.PEN_LAYER);
             if (renderer.markDrawableAsNoninteractive) {
-                renderer.markDrawableAsNoninteractive(this._penSkinId);
+                renderer.markDrawableAsNoninteractive(this._penDrawableId);
             }
             renderer.updateDrawableSkinId(this._penDrawableId, this._penSkinId);
         }

src/io/video.js

@@ -158,7 +158,7 @@ class Video {
                 renderer.markSkinAsPrivate(this._skinId);
             }
             if (renderer.markDrawableAsNoninteractive) {
-                renderer.markDrawableAsNoninteractive(this._skinId);
+                renderer.markDrawableAsNoninteractive(this._drawable);
             }
         }