chore: more accurate way of detecting swift app delegate

Author: mzaien

src/expo-plugins/index.ts

@@ -6,6 +6,7 @@ import {
   withAppDelegate,
   withInfoPlist,
   withMainApplication,
+  IOSConfig,
 } from '@expo/config-plugins';
 
 import {
@@ -92,7 +93,7 @@ const withIntercomAndroid: ConfigPlugin<IntercomPluginProps> = (
 const appDelegate: ConfigPlugin<IntercomPluginProps> = (_config, props) =>
   withAppDelegate(_config, (config) => {
     let stringContents = config.modResults.contents;
-    const swiftAppDelegate = config.modResults.contents.includes('import React');
+    const swiftAppDelegate = IOSConfig.Paths.getAppDelegate(config.modRequest.projectRoot).language==="swift"
     stringContents = swiftAppDelegate ? addImports(stringContents, ['Intercom'],false) : addObjcImports(stringContents, ['<IntercomModule.h>']);
 
     // Remove previous code