fix(overlayable): add check for contenteditable
fix(overlayable): add check for contenteditable

was blocking use of contenteditable

fixes #4715

vuetifyjs/vuetify,Webifi/vuetify,vuetifyjs/vuetify,Phlow2001/vuetify,vuetifyjs/vuetify,Phlow2001/vuetify,Phlow2001/vuetify,vuetifyjs/vuetify,Webifi/vuetify,Webifi/vuetify,Phlow2001/vuetify