Updates all dependencies other than ICU.
Enables the `dbus-config` libcosmic feature to fix theming responsiveness.
Also prevents the trash and network drive layer container from touching the edge of the window.
This attempts to detect remote filesystems on Linux using the
/proc/self/mountinfo file and checking the filesystem against a
hardcoded list of remote filesystems. Remote filesystems will not
thumbnail, read file data to determine mime types, or calculate
directory sizes.
