5.11: Datepicker Manual triggering example
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**Primary Actor**: User

**Scope**: Ngx-bootstrap DEMO / BS version 3&4

**Goal**: Show user how to trigger Datepicker manually

Main success scenario:
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1. User opens Datepicker demo page
2. User clicks on Manual triggering sub-menu
3. User see Datepicker input and 3 clickable buttons: "Open", "Close", "Toggle"
4. When user clicks "Open", bs-datepicker-container opened
5. When user chose any date, then bs-datepicker-container disappeared and date shown in the input in format "mm/dd/yyyy"
6. When user clicks "Open" again, bs-datepicker-container opened and date is selected
7. When user clicks "Close", then bs-datepicker-container disappeared and date shown in the input in format "mm/dd/yyyy"
8. When user clicks "Toggle", then bs-datepicker-container opened and date is selected
9. When user clicks "Toggle" again, then bs-datepicker-container disappeared and date shown in the input in format "mm/dd/yyyy"

Variations:
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2*. User scroll to Manual triggering sub-menu
