GUAC-1293: Prevent selection of filename text during navigation.

guacamole/src/main/webapp/app/client/directives/guacFileBrowser.js

@@ -164,6 +164,12 @@ angular.module('client').directive('guacFileBrowser', [function guacFileBrowser(
                     element.addClass('focused');
                 });
 
+                // Prevent text selection during navigation
+                element.on('selectstart', function avoidSelect(e) {
+                    e.preventDefault();
+                    e.stopPropagation();
+                });
+
                 return element;
 
             };