Log Message:
pcmanfm-qt: update to 1.4.0

pcmanfm-qt-1.4.0 / 2023-11-05
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 * Check if wallpaper cache is up-to-date on reading Desktop settings (needed \ 
when the wallpaper is changed but its path and name are not).
 * Added an SVG app icon.
 * Fixed the tab order in dialogs.
 * Prevent invisible bulk renaming dialog dialog under Wayland.
 * Include the state of split view on restoring tabs of the last window. The \ 
credit goes to @riverbl for the main idea.
 * Allow users to add terminal commands.
 * Fixed `--wallpaper-mode` command-line option.