updated icon font

stylesheets/application.css

@@ -261,7 +261,8 @@
 .icon-locked,
 .icon-ms-project,
 .icon-text-blocks,
-.icon-sidebar {
+.icon-sidebar,
+.icon-new-document {
     background-image: none !important;
     padding-left: 0;
 }
@@ -482,7 +483,9 @@
 .icon-text-blocks:before {
     content: '\e824';
 } /* '' */
-
+.icon-new-document:before {
+    content: '\f15b';
+} /* '' */
 #admin-menu li:has(> a.microsoft-project-connector),
 #admin-menu li:has(> a.additionals) {
     display: none;