[ACS-5858] Migrated adfMomentDateTime Pipe to date-fns equivalent (#8856)

* [ACS-5858] created adfDateTimePipe and added unit tests

* [ACS-5858] added revised unit tests

* [ACS-5858] linting fixes

* [ACS-5858] addressed review comments

* [ACS-5858] addressed review comments

lib/core/src/lib/pipes/date-time.pipe.ts

@@ -0,0 +1,38 @@
+/*!
+ * @license
+ * Copyright © 2005-2023 Hyland Software, Inc. and its affiliates. All rights reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Pipe, PipeTransform } from '@angular/core';
+import { addMinutes, fromUnixTime, parse } from 'date-fns';
+
+@Pipe({ name: 'adfDateTime' })
+export class DateTimePipe implements PipeTransform {
+    transform(value: string | Date | number, dateFormat: string): Date {
+        let parsedValue: Date;
+
+        if (typeof value === 'string') {
+            parsedValue = parse(value, dateFormat, new Date());
+        } else if (value instanceof Date) {
+            parsedValue = value;
+        } else {
+            parsedValue = fromUnixTime(value);
+        }
+
+        const offsetMinutes = parsedValue.getTimezoneOffset();
+        const adjustedDate = addMinutes(parsedValue, offsetMinutes);
+        return adjustedDate;
+    }
+}