[popup] Derive ids for the popup container and the screen if the payload has an id -- Fixes: #4740
[popup] Derive ids for the popup container and the screen if the payload has an id -- Fixes: #4740

startxfr/jquery-mobile,arschmitz/uglymongrel-jquery-mobile,arschmitz/uglymongrel-jquery-mobile,arschmitz/uglymongrel-jquery-mobile,startxfr/jquery-mobile,startxfr/jquery-mobile,npmcomponent/cbou-jquery-mobile,arschmitz/jquery-mobile,npmcomponent/cbou-jquery-mobile,hinaloe/jqm-demo-ja,npmcomponent/cbou-jquery-mobile,arschmitz/jquery-mobile,hinaloe/jqm-demo-ja,hinaloe/jqm-demo-ja,arschmitz/jquery-mobile