cursor: pointer for refresh button

customize.dist/main.css

@@ -165,6 +165,7 @@ tbody tr:first-of-type th {
 tbody tr:first-of-type th.table-refresh {
   color: #46E981;
   text-decoration: none;
+  cursor: pointer;
 }
 tbody tr:nth-child(odd) {
   background-color: #685d56;

customize.dist/src/cryptpad.less

@@ -196,7 +196,7 @@ tbody {
             &.table-refresh {
                 color: @cp-green;
                 text-decoration: none;
-                //border-bottom: 0px;
+                cursor: pointer;
             }
 
         }