framework/wifi_manager: Add return for connection trial in connected state
framework/wifi_manager: Add return for connection trial in connected state

- Return WIFI_MANAGER_ALREADY_CONNECTED when EVT_CONNECT occurs in connected state

sunghan-chang/TizenRT,junmin-kim/TizenRT,sunghan-chang/TizenRT,Samsung/TizenRT,davidfather/TizenRT,jeongarmy/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,jeongchanKim/TizenRT,jeongarmy/TizenRT,davidfather/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,Samsung/TizenRT,jeongchanKim/TizenRT,davidfather/TizenRT,davidfather/TizenRT,davidfather/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,jeongarmy/TizenRT,jsdosa/TizenRT,chanijjani/TizenRT,junmin-kim/TizenRT,chanijjani/TizenRT,davidfather/TizenRT,an4967/TizenRT,an4967/TizenRT,sunghan-chang/TizenRT,jsdosa/TizenRT,sunghan-chang/TizenRT,chanijjani/TizenRT,Samsung/TizenRT,chanijjani/TizenRT,jsdosa/TizenRT,sunghan-chang/TizenRT,Samsung/TizenRT,Samsung/TizenRT,chanijjani/TizenRT,pillip8282/TizenRT,junmin-kim/TizenRT,junmin-kim/TizenRT,jeongarmy/TizenRT,jeongchanKim/TizenRT,an4967/TizenRT,junmin-kim/TizenRT,an4967/TizenRT,sunghan-chang/TizenRT,jeongarmy/TizenRT,junmin-kim/TizenRT,chanijjani/TizenRT,jsdosa/TizenRT,jsdosa/TizenRT,sunghan-chang/TizenRT,pillip8282/TizenRT,jeongarmy/TizenRT,jsdosa/TizenRT,jeongchanKim/TizenRT,Samsung/TizenRT,pillip8282/TizenRT,chanijjani/TizenRT,an4967/TizenRT,pillip8282/TizenRT,junmin-kim/TizenRT,Samsung/TizenRT,jeongchanKim/TizenRT,davidfather/TizenRT,pillip8282/TizenRT,jsdosa/TizenRT,pillip8282/TizenRT