refactor(material/snack-bar): replace left-over module imports with standalone equivalents

Author: nikos-moysiadis

src/material/snack-bar/simple-snack-bar.ts

@@ -7,8 +7,7 @@
  */
 
 import {ChangeDetectionStrategy, Component, Inject, ViewEncapsulation} from '@angular/core';
-import {CommonModule} from '@angular/common';
-import {MatButtonModule} from '@angular/material/button';
+import {MatButton} from '@angular/material/button';
 import {MatSnackBarRef} from './snack-bar-ref';
 import {MAT_SNACK_BAR_DATA} from './snack-bar-config';
 import {MatSnackBarAction, MatSnackBarActions, MatSnackBarLabel} from './snack-bar-content';
@@ -30,7 +29,7 @@ export interface TextOnlySnackBar {
   exportAs: 'matSnackBar',
   encapsulation: ViewEncapsulation.None,
   changeDetection: ChangeDetectionStrategy.OnPush,
-  imports: [MatButtonModule, MatSnackBarLabel, MatSnackBarActions, MatSnackBarAction, CommonModule],
+  imports: [MatButton, MatSnackBarLabel, MatSnackBarActions, MatSnackBarAction],
   standalone: true,
   host: {
     'class': 'mat-mdc-simple-snack-bar',

src/material/snack-bar/snack-bar-container.html

@@ -6,7 +6,7 @@
   <div class="mat-mdc-snack-bar-label" #label>
     <!-- Initialy holds the snack bar content, will be empty after announcing to screen readers. -->
     <div aria-hidden="true">
-      <ng-template cdkPortalOutlet></ng-template>
+      <ng-template cdkPortalOutlet />
     </div>
 
     <!-- Will receive the snack bar content from the non-live div, move will happen a short delay after opening -->

src/material/snack-bar/snack-bar-container.ts

@@ -26,7 +26,6 @@ import {
   CdkPortalOutlet,
   ComponentPortal,
   DomPortal,
-  PortalModule,
   TemplatePortal,
 } from '@angular/cdk/portal';
 import {Observable, Subject} from 'rxjs';
@@ -54,7 +53,7 @@ let uniqueId = 0;
   encapsulation: ViewEncapsulation.None,
   animations: [matSnackBarAnimations.snackBarState],
   standalone: true,
-  imports: [PortalModule],
+  imports: [CdkPortalOutlet],
   host: {
     'class': 'mdc-snackbar mat-mdc-snack-bar-container mdc-snackbar--open',
     '[@state]': '_animationState',