fix bug when pack js (#8992)

Author: lunny

public/js/index.js

@@ -226,7 +226,7 @@
 					{{if and .IsIssueWriter (not .Repository.IsArchived)}}
 						<br/>
 						<a style="cursor:pointer;" onclick="window.toggleDeadlineForm();"><i class="edit icon"></i>{{$.i18n.Tr "repo.issues.due_date_form_edit"}}</a> -
-						<a style="cursor:pointer;" onclick="updateDeadline('');"><i class="remove icon"></i>{{$.i18n.Tr "repo.issues.due_date_form_remove"}}</a>
+						<a style="cursor:pointer;" onclick="window.updateDeadline('');"><i class="remove icon"></i>{{$.i18n.Tr "repo.issues.due_date_form_remove"}}</a>
 					{{end}}
 				</p>
 			{{else}}

public/js/index.js.map

@@ -1,6 +1,6 @@
 /* globals wipPrefixes, issuesTribute, emojiTribute */
 /* exported timeAddManual, toggleStopwatch, cancelStopwatch, initHeatmap */
-/* exported toggleDeadlineForm, setDeadline, deleteDependencyModal, cancelCodeComment, onOAuthLoginClick */
+/* exported toggleDeadlineForm, setDeadline, updateDeadline, deleteDependencyModal, cancelCodeComment, onOAuthLoginClick */
 'use strict';
 
 function htmlEncode(text) {
@@ -3276,10 +3276,10 @@ window.toggleDeadlineForm = function() {
 
 window.setDeadline = function() {
     const deadline = $('#deadlineDate').val();
-    updateDeadline(deadline);
+    window.updateDeadline(deadline);
 }
 
-function updateDeadline(deadlineString) {
+window.updateDeadline = function(deadlineString) {
     $('#deadline-err-invalid-date').hide();
     $('#deadline-loader').addClass('loading');