Use 'indexOf' instead of 'includes' on filePaths array to prevent JS errors in Web UI with Studio when staging files

Author: raymond-rebbeck

git-webui/release/share/git-webui/webui/js/git-webui.js

@@ -2218,7 +2218,7 @@ webui.ChangedFilesView = function(workspaceView, type, label) {
                 });
 
                 Object.keys(localStorage).filter(function (key) {
-                    return !filePaths.includes(key);
+                    return (filePaths.indexOf(key) === -1);
                 }).map(function (key) {
                     localStorage.removeItem(key);
                 });

git-webui/src/share/git-webui/webui/js/git-webui.js

@@ -2218,7 +2218,7 @@ webui.ChangedFilesView = function(workspaceView, type, label) {
                 });
 
                 Object.keys(localStorage).filter(function (key) {
-                    return !filePaths.includes(key);
+                    return (filePaths.indexOf(key) === -1);
                 }).map(function (key) {
                     localStorage.removeItem(key);
                 });