PolyGerrit: Fix display of list to not go out of screen.

Also make description have a width to prevent the list from looking
ugly with big descriptions.

Change-Id: Ia9e0affe789e2ffc122519ced668084497f550f0

polygerrit-ui/app/elements/admin/gr-admin-project-list/gr-admin-project-list.html

@@ -46,11 +46,6 @@ limitations under the License.
         padding: .3em .5em;
         text-align: left;
       }
-      .readOnly,
-      .repositoryBrowser,
-      .description {
-        white-space: nowrap;
-      }
       a {
         color: var(--default-text-color);
         text-decoration: none;
@@ -68,6 +63,9 @@ limitations under the License.
       nav a:first-of-type {
         margin-right: .5em;
       }
+      .description {
+        width: 70%;
+      }
     </style>
     <table id="projectList">
       <tr class="headerRow">