fix: path for uiautomation (#690)

Author: KazuCocoa

lib/appium_lib/core/ios/uiautomation/bridge.rb

@@ -8,7 +8,8 @@ module Bridge
           def self.for(target)
             Core::Ios::SearchContext.extend
             target.extend Appium::Ios::Device
-            patch_webdriver_element
+
+            Core::Ios::Uiautomation.patch_webdriver_element
           end
         end
       end

lib/appium_lib/core/ios/uiautomation/patch.rb

@@ -6,8 +6,8 @@ module Uiautomation
         # class_eval inside a method because class Selenium::WebDriver::Element
         # will trigger as soon as the file is required. in contrast a method
         # will trigger only when invoked.
-        def patch_webdriver_element
-          Selenium::WebDriver::Element.class_eval do
+        def self.patch_webdriver_element
+          ::Selenium::WebDriver::Element.class_eval do
             # Cross platform way of entering text into a textfield
             def type(text, driver = $driver)
               driver.execute_script %(au.getElement('#{ref}').setValue('#{text}');)