perf(wm): increase channel bounds 5 -> 20

This commit increases various channel bounds from 5 to 20 since it was
discovered that this reduction had no impact on #862, and some
crashes/freezes have been noted due to the channel bounds of 5 being too
low.

komorebi/src/border_manager/mod.rs

@@ -59,7 +59,7 @@ pub struct Notification;
 static CHANNEL: OnceLock<(Sender<Notification>, Receiver<Notification>)> = OnceLock::new();
 
 pub fn channel() -> &'static (Sender<Notification>, Receiver<Notification>) {
-    CHANNEL.get_or_init(|| crossbeam_channel::bounded(5))
+    CHANNEL.get_or_init(|| crossbeam_channel::bounded(20))
 }
 
 pub fn event_tx() -> Sender<Notification> {

komorebi/src/stackbar_manager/mod.rs

@@ -40,7 +40,7 @@ pub struct Notification;
 static CHANNEL: OnceLock<(Sender<Notification>, Receiver<Notification>)> = OnceLock::new();
 
 pub fn channel() -> &'static (Sender<Notification>, Receiver<Notification>) {
-    CHANNEL.get_or_init(|| crossbeam_channel::bounded(5))
+    CHANNEL.get_or_init(|| crossbeam_channel::bounded(20))
 }
 
 pub fn event_tx() -> Sender<Notification> {

komorebi/src/transparency_manager.rs

@@ -29,7 +29,7 @@ pub fn known_hwnds() -> Vec<isize> {
 }
 
 pub fn channel() -> &'static (Sender<Notification>, Receiver<Notification>) {
-    CHANNEL.get_or_init(|| crossbeam_channel::bounded(5))
+    CHANNEL.get_or_init(|| crossbeam_channel::bounded(20))
 }
 
 pub fn event_tx() -> Sender<Notification> {

komorebi/src/winevent_listener.rs

@@ -50,7 +50,7 @@ pub fn start() {
 }
 
 fn channel() -> &'static (Sender<WindowManagerEvent>, Receiver<WindowManagerEvent>) {
-    CHANNEL.get_or_init(|| crossbeam_channel::bounded(5))
+    CHANNEL.get_or_init(|| crossbeam_channel::bounded(20))
 }
 
 pub fn event_tx() -> Sender<WindowManagerEvent> {