Fix the autonym test with the new id for Input settings

Change-Id: I3ad6156761c8f4ab5a77165d07c56581a1b4edac

tests/browser/features/step_definitions/autonym_steps.rb

@@ -1,3 +1,7 @@
 Then(/^I open Input panel of language settings$/) do
   on(PanelPage).panel_input_element.when_visible.click
 end
+
+Then(/^I open Input side panel of language settings$/) do
+  on(PanelPage).panel_side_input_element.when_visible.click
+end