7.6: Modals service examples confirm window
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**Primary Actor**: User 
 
**Scope**: Ngx-bootstrap DEMO / BS version 3&4

**Goal**: Show user modals confirm window functionality

Main success scenario:
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1. User opens "Modals" demo page
2. User clicks on "Confirm Window"  sub-menu
3. When user clicks on "Open modal" button, modal popup is opened, should contains two buttons: "yes" and "no"
4. When user closes modal popup by click on "Yes", should be messages "Confirmed!"

Variations:
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2*. User scrolls to Confirm window
4*. When user closes modal popup by click on "No", should be messages "Declined!"