Load Api on Canvas #7

- Implement proper actions for canvas and FAB.

Author: BirjuVachhani

lib/src/api/nodes/canvas_node.dart

@@ -20,7 +20,6 @@ class CanvasNode extends ParentNode
         IsolatedMixin,
         ScrollableMixin,
         CustomPropertiesMixin,
-        ReactionMixin,
         ParentReactionMixin {
   @override
   final String type = 'canvas';