use correct dimens id

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

src/main/res/layout/account_action.xml

@@ -32,7 +32,7 @@
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_gravity="center_vertical"
-        android:layout_marginStart="@dimen/list_item_avatar_text_margin"
+        android:layout_marginStart="@dimen/list_item_avatar_icon_margin"
         android:src="@drawable/ic_account_plus"
         android:contentDescription="@string/prefs_add_account"/>