combobox: move outer click handlers to onMount

src/lib/Combobox.svelte

@@ -310,27 +310,6 @@
 		}
 	};
 
-	if (browser) {
-		// update picker position on window resize
-		window.addEventListener('resize', updatePickerRect);
-
-		// add window click listener to close picker
-		window.addEventListener('click', (e) => {
-			if (!searchContainer || !pickerContainer) {
-				return;
-			}
-
-			if (
-				searchContainer.contains(e.target as Node) ||
-				pickerContainer.contains(e.target as Node)
-			) {
-				return;
-			}
-
-			closePicker();
-		});
-	}
-
 	// when the value (or, in some circumstances, highlighted item) changes, update the search input
 	$effect(() => {
 		if (!searchInput) return;
@@ -357,9 +336,30 @@
 	});
 
 	onMount(() => {
+		// set initial picker position on load
 		setTimeout(() => {
 			updatePickerRect();
 		}, 500);
+
+		// update picker position on window resize
+		window.addEventListener('resize', updatePickerRect);
+
+		// add window click listener to close picker
+		window.addEventListener('click', (e) => {
+			if (!searchContainer || !pickerContainer) {
+				return;
+			}
+
+			if (
+				searchContainer.contains(e.target as Node) ||
+				pickerContainer.contains(e.target as Node) ||
+				!open
+			) {
+				return;
+			}
+
+			closePicker();
+		});
 	});
 </script>