Hide spell check errors in post preview.

app/src/main/res/layout/stories_text_post_view.xml

@@ -20,6 +20,7 @@
         android:layout_gravity="start|center_vertical"
         android:background="@drawable/rounded_rectangle_secondary_18"
         android:gravity="center"
+        android:inputType="textNoSuggestions"
         android:paddingHorizontal="12dp"
         android:paddingTop="15dp"
         android:paddingBottom="13dp"