Allow text selection in settings area

packages/rocketchat-theme/assets/stylesheets/base.less

@@ -27,6 +27,13 @@
 	user-select: text;
 }
 
+.page-settings, .page-settings * {
+	-webkit-user-select: text;
+	-moz-user-select: text;
+	-ms-user-select: text;
+	user-select: text;
+}
+
 :focus {
 	outline: 0 !important;
 	outline-color: transparent;