feat(WorkList): New Study List (WorkList based on ui-next); old study list renamed to LegacyWorklist (#6005)

---------

Co-authored-by: Dan Rukas <dan.rukas@gmail.com>
Co-authored-by: Bill Wallace <wayfarer3130@gmail.com>

platform/ui-next/src/utils/formatDICOMTime.test.ts

@@ -0,0 +1,62 @@
+// Mock i18next so `t(key, fallback)` deterministically returns the fallback
+// (the test env doesn't initialize i18n with resources).
+jest.mock('i18next', () => ({
+  __esModule: true,
+  default: {
+    t: (_key: string, fallback?: string) => fallback,
+    language: 'en',
+  },
+}));
+
+import { formatDICOMTime } from './formatDICOMTime';
+
+describe('formatDICOMTime', () => {
+  describe('valid DICOM times (default hh:mm A fallback)', () => {
+    it('formats HHmmss', () => {
+      expect(formatDICOMTime('143052')).toBe('02:30 PM');
+    });
+
+    it('formats HHmm', () => {
+      expect(formatDICOMTime('0905')).toBe('09:05 AM');
+    });
+
+    it('formats HH', () => {
+      expect(formatDICOMTime('14')).toBe('02:00 PM');
+    });
+
+    it('does not misread a 4-digit HHmm time as a year', () => {
+      // The whole reason there is no lenient reparse: moment("1430") with no
+      // format would yield the year 1430, not 14:30.
+      expect(formatDICOMTime('1430')).toBe('02:30 PM');
+    });
+  });
+
+  describe('format overrides', () => {
+    it('uses strFormat when provided', () => {
+      expect(formatDICOMTime('143052', { strFormat: 'HH:mm:ss' })).toBe('14:30:52');
+      expect(formatDICOMTime('143052', { strFormat: 'HH:mm' })).toBe('14:30');
+    });
+
+    it('uses fallbackFormat for the locale-key-missing path', () => {
+      expect(formatDICOMTime('143052', { fallbackFormat: 'HH:mm' })).toBe('14:30');
+    });
+  });
+
+  describe('empty / invalid input', () => {
+    it('returns empty string by default for empty input', () => {
+      expect(formatDICOMTime('')).toBe('');
+      expect(formatDICOMTime(undefined as unknown as string)).toBe('');
+    });
+
+    it('returns empty string by default for unparseable input', () => {
+      expect(formatDICOMTime('notatime')).toBe('');
+      // Out-of-range hour is invalid under strict parsing.
+      expect(formatDICOMTime('2530')).toBe('');
+    });
+
+    it('returns invalidFallback when provided', () => {
+      expect(formatDICOMTime('', { invalidFallback: 'N/A' })).toBe('N/A');
+      expect(formatDICOMTime('notatime', { invalidFallback: '--' })).toBe('--');
+    });
+  });
+});