fix(igx-date-range-picker): put default range picker sample #5723

Author: Lipata

src/app/date-range/date-range.sample.html

@@ -6,12 +6,14 @@
         <div class="sample-row">
             <div class="range-holder">
                 <div class="range-sample-column">
+                    <igx-date-range-picker></igx-date-range-picker>
+                    <igx-date-range-picker mode="dropdown"></igx-date-range-picker>
                     <igx-date-range-picker mode="dropdown">
                         <igx-picker-toggle igxSuffix>
                             <igx-icon>calendar_view_day</igx-icon>
                         </igx-picker-toggle>
                     </igx-date-range-picker>
-                    <igx-date-range-picker [mode]="'dropdown'"></igx-date-range-picker>
+
 
                     <igx-date-range-picker #dateRange [mode]="'dropdown'" [displayFormat]="'shortDate'" [(ngModel)]="range">
                         <igx-picker-toggle igxSuffix>