macos: end_search for ending search

macos/Sources/Ghostty/SurfaceView_AppKit.swift

@@ -93,7 +93,7 @@ extension Ghostty {
                 } else if oldValue != nil {
                     searchNeedleCancellable = nil
                     guard let surface = self.surface else { return }
-                    let action = "search:"
+                    let action = "end_search"
                     ghostty_surface_binding_action(surface, action, UInt(action.count))
                 }
             }
@@ -1512,7 +1512,7 @@ extension Ghostty {
         
         @IBAction func findHide(_ sender: Any?) {
             guard let surface = self.surface else { return }
-            let action = "search:"
+            let action = "end_search"
             if (!ghostty_surface_binding_action(surface, action, UInt(action.count))) {
                 AppDelegate.logger.warning("action failed action=\(action)")
             }

src/Surface.zig

@@ -4944,16 +4944,23 @@ pub fn performBindingAction(self: *Surface, action: input.Binding.Action) !bool
         },
 
         .end_search => {
+            // We only return that this was performed if we actually
+            // stopped a search, but we also send the apprt end_search so
+            // that GUIs can clean up stale stuff.
+            const performed = self.search != null;
+
             if (self.search) |*s| {
                 s.deinit();
                 self.search = null;
             }
 
-            return try self.rt_app.performAction(
+            _ = try self.rt_app.performAction(
                 .{ .surface = self },
                 .end_search,
                 {},
             );
+
+            return performed;
         },
 
         .search => |text| search: {

src/config/Config.zig

@@ -6419,7 +6419,7 @@ pub const Keybinds = struct {
             try self.set.putFlags(
                 alloc,
                 .{ .key = .{ .physical = .escape } },
-                .{ .search = "" },
+                .end_search,
                 .{ .performable = true },
             );
             try self.set.putFlags(