Use correct shortcut preference key on Magnification screen

Bug: 401279127
Test: manual
Flag: EXEMPT low risk bugfix
Change-Id: I26e7fcf82c5141ceb740b5d9561dd15c5a5829bd
diff --git a/src/com/android/settings/accessibility/MagnificationModePreferenceController.java b/src/com/android/settings/accessibility/MagnificationModePreferenceController.java
index 71ea4c2..7f9f336 100644
--- a/src/com/android/settings/accessibility/MagnificationModePreferenceController.java
+++ b/src/com/android/settings/accessibility/MagnificationModePreferenceController.java
@@ -128,7 +128,7 @@
         super.displayPreference(screen);
         mModePreference = screen.findPreference(getPreferenceKey());
         mLinkPreference = screen.findPreference(
-                ToggleFeaturePreferenceFragment.KEY_SHORTCUT_PREFERENCE);
+                ToggleScreenMagnificationPreferenceFragment.KEY_MAGNIFICATION_SHORTCUT_PREFERENCE);
         Preconditions.checkNotNull(mModePreference).setOnPreferenceClickListener(preference -> {
             mModeCache = MagnificationCapabilities.getCapabilities(mContext);
             Preconditions.checkNotNull(mDialogHelper).showDialog(