Biometric: fixed Android 12+ timing issue

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

@@ -2643,6 +2643,10 @@ public class Helper {
     static void authenticate(final FragmentActivity activity, final LifecycleOwner owner,
                              Boolean enabled, final
                              Runnable authenticated, final Runnable cancelled) {
+        // https://android.googlesource.com/platform/frameworks/base/+/refs/heads/android12-release/packages/SystemUI/src/com/android/systemui/biometrics/AuthController.java#195
+        ApplicationEx.getMainHandler().post(new RunnableEx("authenticate") {
+            @Override
+            public void delegate() {
                 Log.i("Authenticate " + activity);
 
                 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(activity);
@@ -2730,6 +2734,7 @@ public class Helper {
                         @Override
                         public void delegate() {
                             try {
+                                Log.i("Authenticate cancel prompt");
                                 prompt.cancelAuthentication();
                             } catch (Throwable ex) {
                                 Log.e(ex);
@@ -2870,6 +2875,8 @@ public class Helper {
                     }
                 }
             }
+        });
+    }
 
     static void setAuthenticated(Context context) {
         Date now = new Date();