fix notification: blur the active element on displaying alert/confirm      Otherwise, pressing the enter key may display the alert/confirm multiple times
fix notification: blur the active element on displaying alert/confirm
    
Otherwise, pressing the enter key may display the alert/confirm
multiple times
b-cuts/lumX,lumapps/lumX,hinablue/lumX,terradatum/lumX,bright-sparks/lumX,cupceavictor/lumX,cupceavictor/lumX,hinablue/lumX,lumapps/lumX,b-cuts/lumX,bijeeshtk/lumx,hinablue/lumX,ezzye/write-to-be-heard,hinablue/lumX,terradatum/lumX,ezzye/write-to-be-heard,bright-sparks/lumX,jefvel/lumX,cupceavictor/lumX,jefvel/lumX,bijeeshtk/lumx,bright-sparks/lumX,ezzye/write-to-be-heard,terradatum/lumX,lumapps/lumX,b-cuts/lumX,bright-sparks/lumX,terradatum/lumX,ezzye/write-to-be-heard,cupceavictor/lumX,jefvel/lumX,bijeeshtk/lumx,lumapps/lumX,jefvel/lumX,b-cuts/lumX,bijeeshtk/lumx