Fix dark theme recipients editor font color.

res/layout/recipients_panel.xml

@@ -18,7 +18,7 @@
             android:singleLine="true"
             android:hint="@string/recipients_panel__to"
             android:paddingRight="45dip"
-            android:textColor="#000000"
+            android:textColor="?conversation_editor_text_color"
             android:layout_width="fill_parent"/>
 
         <ImageButton android:id="@+id/contacts_button"