updated the master page back button navigation logic slightly, when user click this button, the detail page should be navigated to the welcome screen
updated the master page back button navigation logic slightly, when user click this button, the detail page should be navigated to the welcome screen

j1wu/openui5-app-shopping-cart,j1wu/openui5-app-shopping-cart,j1wu/openui5-app-simple-cart,j1wu/openui5-app-shopping-cart,j1wu/openui5-app-simple-cart,j1wu/openui5-app-simple-cart