fix(capacitor): replace deprecated platform check method (#30195)

Issue number: resolves internal

ref: https://github.com/ionic-team/capacitor/issues/7884

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## What is the current behavior?
`this.platform.is('capacitor')` returns `false` in Capacitor App.

## What is the new behavior?
`this.platform.is('capacitor')` returns as expected.

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

## Other information
It might also need to be fixed.


14b6538d98/core/src/utils/test/platform.utils.ts (L32)

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Co-authored-by: ShaneK <shane@shanessite.net>

core/src/utils/platform.ts

@@ -99,7 +99,8 @@ const isCordova = (win: any): boolean => !!(win['cordova'] || win['phonegap'] ||
 
 const isCapacitorNative = (win: any): boolean => {
   const capacitor = win['Capacitor'];
-  return !!capacitor?.isNative;
+  // TODO(ROU-11693): Remove when we no longer support Capacitor 2, which does not have isNativePlatform
+  return !!(capacitor?.isNative || (capacitor?.isNativePlatform && !!capacitor.isNativePlatform()));
 };
 
 const isElectron = (win: Window): boolean => testUserAgent(win, /electron/i);

core/src/utils/test/platform.utils.ts

@@ -29,7 +29,7 @@ export const PlatformConfiguration = {
   },
   Capacitor: {
     Capacitor: {
-      isNative: true,
+      isNativePlatform: () => true,
     },
   },
   PWA: {