add editor focus condition for link shortcut behavior

Author: zgavin1

src/components/ui/coaching-sessions/coaching-notes/toolbar.tsx

@@ -28,15 +28,15 @@ export const Toolbar = () => {
   // Add keyboard shortcut handler
   useEffect(() => {
     const handleKeyDown = (e: KeyboardEvent) => {
-      if ((e.metaKey || e.ctrlKey) && e.key === "k") {
+      if ((e.metaKey || e.ctrlKey) && e.key === "k" && editor?.isFocused) {
         e.preventDefault();
         setIsLinkDialogOpen(true);
       }
     };
 
     document.addEventListener("keydown", handleKeyDown);
     return () => document.removeEventListener("keydown", handleKeyDown);
-  }, []);
+  }, [editor]);
 
   return (
     <>