Fix filters dismiss button (#4412)

Keep the dismiss button near to the filter

frappe/public/less/list.less

@@ -45,12 +45,15 @@
 
 .set-filters .btn-group {
 	margin-right: 10px;
+	white-space: nowrap;
+	font-size: 0;
 }
 
 .set-filters .btn-group .btn-default {
 	background-color: transparent;
 	border: 1px solid @border-color;
 	color: @text-muted;
+	float: none;
 }
 
 .filter-box {
@@ -630,4 +633,4 @@
 
 .frappe-timestamp {
 	white-space: nowrap;
-}
+}