fix: #392 save data using UTC

Author: enriquezrene

src/app/modules/time-entries/pages/time-entries.component.spec.ts

@@ -139,7 +139,9 @@ describe('TimeEntriesComponent', () => {
   it('when saving time entries, the time entries should be queried', () => {
     const currentMonth = new Date().getMonth() + 1;
     const entryToSave = {
-      project_id: 'project-id'
+      project_id: 'project-id',
+      end_date: new Date(),
+      start_date: new Date()
     };
     component.activeTimeEntry = null;
     spyOn(store, 'dispatch');

src/app/modules/time-entries/pages/time-entries.component.ts

@@ -58,7 +58,9 @@ export class TimeEntriesComponent implements OnInit {
 
   doSave(entry) {
     entry.start_date = new Date(entry.start_date).toISOString();
-    entry.end_date = new Date(entry.end_date).toISOString();
+    if (entry.end_date !== null && entry.end_date !== undefined) {
+      entry.end_date = new Date(entry.end_date).toISOString();
+    }
     if (this.entryId) {
       entry.id = this.entryId;
       this.store.dispatch(new entryActions.UpdateEntry(entry));