Change list: fix project links

Links resulted in an error because project dashboard is
not implemented yet. Instead, filter change list just
like it filtered for branches and owners already.

Change-Id: I88a17b91a0af0f6b9cc50381fc7169fbb4e3a4f5

polygerrit-ui/app/elements/change-list/gr-change-list-item/gr-change-list-item.js

@@ -127,7 +127,7 @@
     },
 
     _computeProjectURL: function(project) {
-      return '/projects/' + project + ',dashboards/default';
+      return '/q/status:open+project:' + project;
     },
 
     _computeProjectBranchURL: function(project, branch) {

polygerrit-ui/app/elements/change-list/gr-change-list-item/gr-change-list-item_test.html

@@ -118,7 +118,7 @@ limitations under the License.
           {labels: {Verified: {rejected: true}}}, 'Verified'), '✕');
 
       assert.equal(element._computeProjectURL('combustible-stuff'),
-          '/projects/combustible-stuff,dashboards/default');
+          '/q/status:open+project:combustible-stuff');
 
       assert.equal(element._computeProjectBranchURL(
           'combustible-stuff', 'lemons'),