Fix the trash button in toolbar not always working

www/common/cryptpad-common.js

@@ -400,6 +400,7 @@ define([
     };
 
     var getRelativeHref = common.getRelativeHref = function (href) {
+        if (!href) { return; }
         var parsed = common.parsePadUrl(href);
         return '/' + parsed.type + '/#' + parsed.hash;
     };
@@ -563,7 +564,7 @@ define([
         };
 
         if (typeof(getStore().forgetPad) === "function") {
-            getStore().forgetPad(href, callback);
+            getStore().forgetPad(common.getRelativeHref(href), callback);
         }
     };
 

www/common/fileObject.js

@@ -698,6 +698,7 @@ define([
 
         var forgetPad = exp.forgetPad = function (href) {
             if (workgroup) { return; }
+            if (!href) { return; }
             var rootFiles = getRootFiles().slice();
             if (rootFiles.indexOf(href) !== -1) {
                 removeFileFromRoot(files[ROOT], href);
@@ -712,6 +713,7 @@ define([
 
         var addUnsortedPad = exp.addPad = function (href, path, name) {
             if (workgroup) { return; }
+            if (!href) { return; }
             var unsortedFiles = getUnsortedFiles();
             var rootFiles = getRootFiles();
             var trashFiles = getTrashFiles();

www/drive/main.js

@@ -1810,6 +1810,8 @@ define([
             return false;
         }).on('remove', [], function (o, p) {
             var path = arguments[1];
+            if (path[0] !== 'drive') { return false; }
+            path = path.slice(1);
             var cPath = currentPath.slice();
             if ((filesOp.isPathInUnsorted(cPath) && filesOp.isPathInUnsorted(path)) ||
                     (filesOp.isPathInTemplate(cPath) && filesOp.isPathInTemplate(path)) ||