align filter input and buttons

customize.dist/src/less2/include/usergrid.less

@@ -23,6 +23,8 @@
                 flex: 1;
                 min-width: 0;
                 margin-bottom: 0 !important;
+                height: 38px;
+                margin: 6px 8px 6px 0px;
                 &::placeholder { /* Chrome, Firefox, Opera, Safari 10.1+ */
                     color: @cryptpad_color_grey;
                     opacity: 1; /* Firefox */
@@ -33,6 +35,10 @@
                 margin: 0;
                 display: none;
             }
+            button:last-child {
+                margin-right: 0px !important;
+            }
+            
         }
         .cp-usergrid-user {
             width: 70px;