This is the expected behaviour. Execute bit will not be enabled as this is an untrusted location ( /usr/lib/libreoffice/share/xdg) . The desktop entries from "/usr/share/applications" and "Desktop" are trusted .
This can be seen by dragging and dropping desktop file to any other location apart from desktop, such as $HOME. To fix this, enable execute bit on the desktop file by right clicking and selecting Properties->Permission->Check execute bit .
This is the expected behaviour. Execute bit will not be enabled as this is an untrusted location ( /usr/lib/ libreoffice/ share/xdg) . The desktop entries from "/usr/share/ applications" and "Desktop" are trusted .
This can be seen by dragging and dropping desktop file to any other location apart from desktop, such as $HOME. To fix this, enable execute bit on the desktop file by right clicking and selecting Properties- >Permission- >Check execute bit .
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To fix this libreoffice would need to save the desktop files to "/usr/share/ applications" , instead of creating symlink.
-- ritz