Update the Lubuntu Manual patch to use the dedicated icon.

debian/changelog

@@ -1,9 +1,8 @@
-pcmanfm-qt (1.4.1-0ubuntu1) noble; urgency=medium
+pcmanfm-qt (1.4.0-0ubuntu3~ppa23.10.1) mantic; urgency=medium
 
-  * New upstream release.
-  * Updated copyright file.
+  * Backport to Mantic.
 
- -- Aaron Rainbolt <arraybolt3@ubuntu.com>  Sun, 18 Feb 2024 16:31:24 -0600
+ -- Simon Quigley <tsimonq2@ubuntu.com>  Fri, 01 Dec 2023 15:03:56 -0600
 
 pcmanfm-qt (1.4.0-0ubuntu3) noble; urgency=medium
 

debian/copyright

@@ -4,7 +4,7 @@ Source: https://github.com/lxqt/pcmanfm-qt
 
 Files: *
 Copyright: 2017,     Pedram Pourang (Tsu Jan) <tsujan2000@gmail.com>
-           2013-2024 LXQt team
+           2013-2023 LXQt team
            2009-2018 Hong Jen Yee (PCMan) <pcman.tw@gmail.com>
            2012-2013 Andriy Grytsenko (LStranger) <andrej@rep.kiev.ua>
            2014      Kuzma Shapran <kuzma.shapran@gmail.com>
@@ -15,7 +15,7 @@ Copyright: 2010-2018 Rafael Laguna <rafaellaguna@gmail.com>
 License: GPL-2.0+
 
 Files: debian/*
-Copyright: 2021-2024 Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
+Copyright: 2021-2023 Lubuntu Developers <lubuntu-devel@lists.ubuntu.com>
            2014-2015 Wen Liao <wen.cf83@gmail.com>
            2014-2016 ChangZhuo Chen (陳昌倬) <czchen@debian.org>
            2013-2018 Alf Gaida <agaida@siduction.org>