Remove `group.public` reliance from share dialog

src/sidebar/components/test/annotation-share-dialog-test.js

@@ -91,8 +91,7 @@ describe('annotationShareDialog', function () {
         {
           group: {
             name: 'Public',
-            type: 'public',
-            public: true,
+            type: 'open',
           },
           uri: 'fakeURI',
           isPrivate: false,
@@ -142,7 +141,7 @@ describe('annotationShareDialog', function () {
     it('is available to a group', function () {
       element = util.createDirective(document, 'annotationShareDialog', {
         group: {
-          public: false,
+          type: 'private',
         },
         isPrivate: false,
       });

src/sidebar/templates/annotation-share-dialog.html

@@ -36,7 +36,7 @@
       <i class="h-icon-clipboard btn-icon"></i>
     </button>
   </div>
-  <div class="annotation-share-dialog-msg" ng-if="vm.group && !vm.group.public && !vm.isPrivate">
+  <div class="annotation-share-dialog-msg" ng-if="vm.group && vm.group.type === 'private' && !vm.isPrivate">
     <span class="annotation-share-dialog-msg__audience">
       Group.
     </span>