Fixed TNEF FAQ ref

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

@@ -396,7 +396,10 @@ abstract class ActivityBase extends AppCompatActivity implements SharedPreferenc
             super.startActivityForResult(intent, requestCode);
         } catch (ActivityNotFoundException ex) {
             Log.w(ex);
-            ToastEx.makeText(this, getString(R.string.title_no_viewer, intent), Toast.LENGTH_LONG).show();
+            if (Helper.isTnef(intent.getType()))
+                Helper.viewFAQ(this, 155);
+            else
+                ToastEx.makeText(this, getString(R.string.title_no_viewer, intent), Toast.LENGTH_LONG).show();
         } catch (Throwable ex) {
             Log.e(ex);
             ToastEx.makeText(this, Log.formatThrowable(ex), Toast.LENGTH_LONG).show();

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

@@ -526,22 +526,11 @@ public class Helper {
                 }
             } else
                 context.startActivity(intent);
-        } else {
-            try {
-                context.startActivity(intent);
-            } catch (ActivityNotFoundException ex) {
-                if (isTnef(type))
-                    viewFAQ(context, 155);
-                else {
-                    String message = context.getString(R.string.title_no_viewer,
-                            type != null ? type : name != null ? name : file.getName());
-                    ToastEx.makeText(context, message, Toast.LENGTH_LONG).show();
-                }
-            }
-        }
+        } else
+            context.startActivity(intent);
     }
 
-    private static boolean isTnef(String type) {
+    static boolean isTnef(String type) {
         // https://en.wikipedia.org/wiki/Transport_Neutral_Encapsulation_Format
         return ("application/ms-tnef".equals(type) ||
                 "application/vnd.ms-tnef".equals(type));