Replace png "search" icon with font-awesome icon (#6181)

* Replace png "search" icon with font-awesome icon

* Update CHANGELOG-DEV.md

CHANGELOG-DEV.md

@@ -7,6 +7,7 @@ HumHub Changelog (DEVELOP)
 - Fix #6099: Empty buttons in GlobalConfirmModal footer
 - Fix #6100: Broken area reference in some modal boxes
 - Enh #6171: Make email in user administration and user approval clickable
+- Enh #6181: Replace png "search" icon with font-awesome icon
 
 1.14.0-beta.1 (March 10, 2023)
 ------------------------------

static/less/form.less

@@ -36,14 +36,19 @@ div.required.has-error > label:after {
 
 .form-control.form-search {
     border-radius: 30px;
-    background-image: url("../img/icon_search16x16.png");
-    background-repeat: no-repeat;
-    background-position: 10px 8px;
     padding-left: 34px;
 }
 
 .form-group-search {
     position: relative;
+    &:before {
+        font: 14px FontAwesome;
+        content: "\f002";
+        color: #ededed;
+        position: absolute;
+        top: 10px;
+        left: 13px;
+    }
 
     .form-button-search {
         position: absolute;