refactor(angular): improving code example

Author: ShaneK

docs/angular/injection-tokens.md

@@ -150,7 +150,7 @@ When opening a modal that uses the injection token, you can pass the component d
 ```tsx
 import { Component, inject } from '@angular/core';
 import { IonContent, IonButton, ModalController } from '@ionic/angular/standalone';
-import { ModalContentComponent } from './modal-content.component';
+import { ModalComponent } from './modal.component';
 
 @Component({
   selector: 'app-home',
@@ -164,14 +164,14 @@ export class HomePage {
   private modalController = inject(ModalController);
 
   async openModal() {
-    const modal = await this.modalController.create({
-      component: ModalContentComponent,
+    const myModal = await this.modalController.create({
+      component: ModalComponent,
       componentProps: {
         // Any props you want to pass to the modal content
       },
     });
 
-    await modal.present();
+    await myModal.present();
   }
 }
 ```