perf(borders): introduce state snapshot checks

This commit introduce state snapshot checks in the border manager, which
will ensure that we don't even attempt to acquire any mutex locks if the
state hasn't changed.

komorebi/src/monitor.rs

@@ -19,7 +19,16 @@ use crate::ring::Ring;
 use crate::workspace::Workspace;
 
 #[derive(
-    Debug, Clone, Serialize, Deserialize, Getters, CopyGetters, MutGetters, Setters, JsonSchema,
+    Debug,
+    Clone,
+    Serialize,
+    Deserialize,
+    Getters,
+    CopyGetters,
+    MutGetters,
+    Setters,
+    JsonSchema,
+    PartialEq,
 )]
 pub struct Monitor {
     #[getset(get_copy = "pub", set = "pub")]