core: always send start_search for refocus

src/Surface.zig

@@ -4932,16 +4932,16 @@ pub fn performBindingAction(self: *Surface, action: input.Binding.Action) !bool
             self.renderer_state.terminal.fullReset();
         },
 
-        .start_search => if (self.search == null) {
+        .start_search => {
             // To save resources, we don't actually start a search here,
             // we just notify the apprt. The real thread will start when
             // the first needles are set.
-            _ = try self.rt_app.performAction(
+            return try self.rt_app.performAction(
                 .{ .surface = self },
                 .start_search,
                 .{ .needle = "" },
             );
-        } else return false,
+        },
 
         .search => |text| search: {
             const s: *Search = if (self.search) |*s| s else init: {