(html) Add missing options to subscribed calendars

Fixes #3863

NEWS

@@ -22,6 +22,7 @@ Bug fixes
  - [web] improved validation of mail account delegators
  - [web] fixed auto-completion of list members (#3870)
  - [web] added missing options to subscribed addressbooks (#3850)
+ - [web] added missing options to subscribed calendars (#3863)
  - [web] fixed resource conflict error handling (403 vs 409 HTTP code)
  - [web] restored immediate deletion of messages (without moving them to the trash)
  - [eas] improve handling of email folders without a parent

UI/Templates/SchedulerUI/UIxCalMainView.wox

@@ -195,6 +195,17 @@
                   <md-icon>more_vert</md-icon>
                 </md-button>
                 <md-menu-content width="2">
+                  <md-menu-item>
+                    <md-button ng-click="app.showOnly(calendar)">
+                      <var:string label:value="Show Only This Calendar"/>
+                    </md-button>
+                  </md-menu-item>
+                  <md-menu-item>
+                    <md-button ng-click="app.showAll()">
+                      <var:string label:value="Show All Calendars"/>
+                    </md-button>
+                  </md-menu-item>
+                  <md-menu-divider><!-- divider --></md-menu-divider>
                   <md-menu-item>
                     <md-button ng-click="app.showProperties(calendar)">
                       <var:string label:value="Properties"/>