Canvas2D bug fixes opacity and dynFloatArray

src/Canvas2d/babylon.prim2dBase.ts

@@ -2056,6 +2056,7 @@
 
             this._opacity = value;
             this._updateRenderMode();
+            this._setFlags(SmartPropertyPrim.flagActualOpacityDirty);
             this._spreadActualOpacityChanged();
         }
 

src/Tools/babylon.dynamicFloatArray.ts

@@ -261,7 +261,7 @@
                 this._sortTable = new Array<SortInfo>(newCount);
             }
 
-            if (!this._sortTable || this._sortTable.length !== count) {
+            if (!this._sortedTable || this._sortedTable.length !== count) {
                 this._sortedTable = new Array<SortInfo>(count);
             }