Fix for 'focus' text appearing incorrectly (#5133)

Signed-off-by: hultonha <hultonha@amazon.co.uk>

Code/Framework/AzToolsFramework/AzToolsFramework/ViewportSelection/InvalidClicks.h

@@ -80,8 +80,9 @@ namespace AzToolsFramework
 
     private:
         AZStd::string m_message; //!< Message to display for fading text.
-        float m_opacity = 1.0f; //!< The opacity of the invalid click message.
-        AzFramework::ScreenPoint m_invalidClickPosition; //!< The position to display the invalid click message.
+        float m_opacity = 0.0f; //!< The opacity of the invalid click message.
+        //! The position to display the invalid click message.
+        AzFramework::ScreenPoint m_invalidClickPosition = AzFramework::ScreenPoint(0, 0);
     };
 
     //! Interface to begin invalid click feedback (will run all added InvalidClick behaviors).