fix: serializeNode was naively checking if values were falsey (#131)

* fix: serializeNode was naively checking if values were falsey

* Update serializeNode.tsx

Author: dbousamra

packages/core/src/utils/serializeNode.tsx

@@ -17,7 +17,8 @@ export const serializeComp = (
   let { type, isCanvas, props } = data;
   props = Object.keys(props).reduce((result: Record<string, any>, key) => {
     const prop = props[key];
-    if (!prop) {
+
+    if (prop === undefined || prop === null) {
       return result;
     }