FIX: In topic search for glimmer header (#26040)

- Fix cmd + f keyboard shortcut that opens up the search menu or browser search

spec/system/page_objects/pages/header.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module PageObjects
+  module Pages
+    class Header < PageObjects::Pages::Base
+      def get_computed_style_value(selector, property)
+        page.evaluate_script(
+          "window.getComputedStyle(document.querySelector('#{selector}')).getPropertyValue('#{property}')",
+        ).strip
+      end
+
+      def resize_element(selector, size)
+        page.evaluate_script("document.querySelector('#{selector}').style.height = '#{size}px'")
+      end
+
+      def active_element_id
+        page.evaluate_script("document.activeElement.id")
+      end
+
+      def click_outside
+        find(".d-modal").click(x: 0, y: 0)
+      end
+
+      def search_in_topic_keyboard_shortcut
+        page.send_keys([PLATFORM_KEY_MODIFIER, "f"])
+      end
+    end
+  end
+end