(css) Don't highlight disabled list items

UI/Templates/SchedulerUI/UIxCalMainView.wox

@@ -551,7 +551,7 @@
                     </p>
                   </div>
                 </md-list-item>
-                <md-list-item ng-if="list.component.$events.length == 0">
+                <md-list-item disabled="disabled" ng-if="list.component.$events.length == 0">
                   <p class="sg-md-caption"><var:string label:value="No events for selected criteria"/></p>
                 </md-list-item>
               </md-list>

UI/WebServerResources/scss/components/list/list.scss

@@ -66,7 +66,7 @@ div.md-tile-left {
   md-list-item {
     transition: background-color $swift-ease-in-duration $swift-ease-in-timing-function,
                 color 0.12s linear;
-    &:hover {
+    &:hover:not([disabled]) {
       background-color: sg-color($sogoPaper, 300);
       color: sg-color($sogoBlue, 800);
       cursor: pointer;