Merge pull request #4349 from fqueiruga/JENKINS-59508

[JENKINS-59508] Sidebar links show full label on hover

core/src/main/resources/lib/layout/task.jelly

@@ -207,7 +207,7 @@ THE SOFTWARE.
               </l:confirmationLink>
             </j:when>
             <j:otherwise>
-              <a href="${href}" class="task-link" onclick="${attrs.onclick ?: (post ? 'return postRequest_' + id + '(this)' : null)}">
+              <a href="${href}" class="task-link" onclick="${attrs.onclick ?: (post ? 'return postRequest_' + id + '(this)' : null)}" title="${title}">
                 <j:choose>
                   <j:when test="${match}">
                     <b>${title}</b>