Add XWayland support (#16)

* save dev state

* fix xwayland-satellite supervisor lifecycle, readiness and cleanup

* remove wayland scanner protocol generated files

* default xwayland enabled with path

* remove jargons

* address x11 review: park unconfirmed cleanup, never signal a reaped group, fix storm test and notify dir mode

* fix resize tests: never build Size values from negative dimensions

* add min-width/min-height window rules that replace client minimum sizes

* rename effective_size_constraints to effective_minimum_size and minor cleanups

compositor/src/ipc.rs

@@ -535,6 +535,7 @@ impl Ferese {
                     | "input-capture-disable"
                     | "input-capture-release"
                     | "get-session-state"
+                    | ferese_ipc::xwayland::STATUS_COMMAND
                     | "portal-inhibit"
                     | "portal-monitor-register"
                     | "portal-monitor-ack"
@@ -576,6 +577,14 @@ impl Ferese {
             "get-session-state" => {
                 return Ok(self.portal_session.snapshot());
             }
+            ferese_ipc::xwayland::STATUS_COMMAND => {
+                return Ok(crate::xwayland::status_snapshot(self).to_value());
+            }
+            ferese_ipc::xwayland::RETRY_COMMAND => {
+                crate::xwayland::retry(self).map_err(|error| CommandError::new("x11_unavailable", error))?;
+
+                return Ok(crate::xwayland::status_snapshot(self).to_value());
+            }
             "portal-monitor-register" => {
                 self.portal_session
                     .register_monitor(owner)