fix: Fix element measure function not returning sometimes

Author: WillsonHaw

.changeset/dirty-drinks-bathe.md

@@ -0,0 +1,5 @@
+---
+"@plextv/react-native-lightning": patch
+---
+
+fix: Fix measure function not returning in some cases

packages/react-native-lightning/src/plugins/reactNativePolyfillsPlugin.ts

@@ -150,9 +150,9 @@ export const reactNativePolyfillsPlugin = (): Plugin => {
     onCreateInstance(instance) {
       const nativeInstance = instance as LightningNativeViewElement;
 
-      // Initialize the load promise to resolve when the instance is laid out
+      // Initialize the load promise to resolve when the instance is available
       nativeInstance.__loadPromise = new Promise<void>((resolve) => {
-        nativeInstance.once('layout', () => {
+        nativeInstance.once('inViewport', () => {
           nativeInstance.__loaded = true;
           resolve();
         });