chore(drp-dev-sample): bind hideHeader properly

Author: ddaribo

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

@@ -12,7 +12,7 @@ <h6>Angular Date Range Picker, two inputs, template-driven form</h6>
       [maxValue]="properties.maxValue"
       [disabledDates]="disabledDates"
       [specialDates]="specialDates"
-      [hasHeader]="properties.hasHeader"
+      [hideHeader]="properties.hideHeader"
       [orientation]="properties.orientation"
       [headerOrientation]="properties.headerOrientation"
       [displayMonthsCount]="properties.visibleMonths"
@@ -82,7 +82,7 @@ <h6>WC Date Range Picker, two inputs</h6>
       [max]="properties.maxValue"
       [disabledDates]="disabledDates"
       [specialDates]="specialDates"
-      [hasHeader]="properties.hasHeader"
+      [hideHeader]="properties.hideHeader"
       [orientation]="properties.orientation"
       [headerOrientation]="properties.headerOrientation"
       [visibleMonths]="properties.visibleMonths"

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

@@ -162,11 +162,11 @@ export class DateRangeSampleComponent {
                 type: 'text'
             }
         },
-        hasHeader: {
-            label: 'Has Header (for dialog mode)',
+        hideHeader: {
+            label: 'Hide Header (for dialog mode)',
             control: {
                 type: 'boolean',
-                defaultValue: true
+                defaultValue: false
             }
         },
         orientation: {