fix(preprint-metadata-edit): fixed datepicker to be of half length (#556)

Author: opaduchak

src/app/features/preprints/components/stepper/preprints-metadata-step/preprints-metadata-step.component.html

@@ -60,8 +60,8 @@ <h2>{{ 'preprints.preprintStepper.metadata.publicationDateTitle' | translate }}<
 
   <p-datePicker
     inputId="publicationDate"
-    class="half-width-datepicker"
-    styleClass="w-full md:w-6 mt-4"
+    class="w-full"
+    styleClass="mt-4"
     [formControl]="metadataForm.controls['originalPublicationDate']"
     [iconDisplay]="'input'"
     [showIcon]="true"