refactor(date-editor): set DatePart & DatePartDeltas hour, minute, second plural

Author: jackofdiamond5

projects/igniteui-angular/src/lib/directives/date-time-editor/date-time-editor.common.ts

@@ -11,9 +11,9 @@ export enum DatePart {
     Date = 'date',
     Month = 'month',
     Year = 'year',
-    Hours = 'hour',
-    Minutes = 'minute',
-    Seconds = 'second',
+    Hours = 'hours',
+    Minutes = 'minutes',
+    Seconds = 'seconds',
     AmPm = 'ampm',
     Literal = 'literal'
 }
@@ -31,7 +31,7 @@ export interface DatePartDeltas {
     date?: number;
     month?: number;
     year?: number;
-    hour?: number;
-    minute?: number;
-    second?: number;
+    hours?: number;
+    minutes?: number;
+    seconds?: number;
 }

projects/igniteui-angular/src/lib/directives/date-time-editor/date-time-editor.directive.spec.ts

@@ -115,7 +115,7 @@ describe('IgxDateTimeEditor', () => {
 
                 const date = new Date(2015, 11, 12, 14, 35, 12);
                 dateTimeEditor.value = date;
-                dateTimeEditor.spinDelta = { date: 2, month: 2, year: 2, hour: 2, minute: 2, second: 2 };
+                dateTimeEditor.spinDelta = { date: 2, month: 2, year: 2, hours: 2, minutes: 2, seconds: 2 };
                 spyOnProperty((dateTimeEditor as any), 'inputValue', 'get').and.returnValue(inputDate);
 
                 dateTimeEditor.increment();

projects/igniteui-angular/src/lib/directives/date-time-editor/date-time-editor.directive.ts

@@ -227,9 +227,9 @@ export class IgxDateTimeEditorDirective extends IgxMaskDirective implements OnCh
     date: 1,
     month: 1,
     year: 1,
-    hour: 1,
-    minute: 1,
-    second: 1
+    hours: 1,
+    minutes: 1,
+    seconds: 1
   };
   private onTouchCallback: (...args: any[]) => void = noop;
   private onChangeCallback: (...args: any[]) => void = noop;