refactor: splitted sway config

.config/sway/config.d/95-xdg-desktop-autostart.conf

@@ -0,0 +1,14 @@
+# Wait until a StatusNotifierItem tray implementation is available and
+# process XDG autostart entries.
+#
+# This horror has to exist because
+#
+#  - SNI spec mandates that if `IsStatusNotifierHostRegistered` is not set,
+#    the client should fall back to the Freedesktop System Tray specification
+#    (XEmbed).
+#  - There are actual implementations that take this seriously and implement
+#    a fallback *even if* StatusNotifierWatcher is already DBus-activated.
+#  - https://github.com/systemd/systemd/issues/3750
+#
+exec /usr/libexec/sway-systemd/wait-sni-ready && \
+    systemctl --user start sway-xdg-autostart.target