Revert "Delegate haptic feedback to activity"

This reverts commit 729cffd36b.

app/src/main/java/eu/faircode/email/FragmentCompose.java

@@ -90,7 +90,6 @@ import android.view.MenuItem;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
-import android.view.Window;
 import android.view.inputmethod.EditorInfo;
 import android.webkit.MimeTypeMap;
 import android.widget.AdapterView;
@@ -7416,11 +7415,7 @@ public class FragmentCompose extends FragmentBase {
 
             } else if (action == R.id.action_send) {
                 state = State.NONE;
-                FragmentActivity activity = getActivity();
-                Window window = (activity == null ? null : activity.getWindow());
-                View decor = (window == null ? null : window.getDecorView());
-                if (decor != null)
-                    decor.performHapticFeedback(HapticFeedbackConstants.CONFIRM);
+                view.performHapticFeedback(HapticFeedbackConstants.CONFIRM);
                 finish();
             }
         }