9.3: Popover Dismiss on next click example
==========================================
**Primary Actor**: User

**Scope**: Ngx-bootstrap DEMO / BS version 3&4

**Goal**: Show user how to dismiss popovers using focus trigger

Main success scenario:
----------------------
1. User opens Popover demo page
2. User clicks on Dismiss on next click sub-menu
3. User see clickable button "Dismissible popover"
4. When user clicks on "Dismissible popover", then popover-container shown with specific text
5. When user clicks on "Dismissible popover" again, then nothing happens
6. When user move mouse to the popover-container and click there, then popover-container disappeared

Extentions:
-----------
6.1. When user move mouse out of the popover-container and button, and click anywhere, then popover-container disappeared

Variations:
-----------
2*. User scroll to Dismiss on next click sub-menu