Fixed wrong api request url for instances running in subfolders (#5247)

public/js/index.js

@@ -2626,7 +2626,7 @@ function initIssueList() {
     $('.new-dependency-drop-list')
         .dropdown({
             apiSettings: {
-                url: '/api/v1/repos' + repolink + '/issues?q={query}',
+                url: suburl + '/api/v1/repos' + repolink + '/issues?q={query}',
                 onResponse: function(response) {
                     var filteredResponse = {'success': true, 'results': []};
                     // Parse the response from the api to work with our dropdown