Hide pinned filter state in embed mode

It doesn’t make sense there, since there won’t be any cross app
navigation, so don’t expose it.

fixes elastic#5056

src/ui/public/filter_bar/filter_bar.html

@@ -12,7 +12,7 @@
 <div class="filter-bar" ng-show="filters.length">
   <div class="filter" ng-class="{ negate: filter.meta.negate, disabled: filter.meta.disabled }" ng-repeat="filter in filters">
     <div class="filter-description">
-      <span ng-if="filter.$state.store == 'globalState'"><i class="fa fa-fw fa-thumb-tack pinned"></i></span>
+      <span ng-if="filter.$state.store === 'globalState' && showFilterPin()"><i class="fa fa-fw fa-thumb-tack pinned"></i></span>
       <span ng-if="filter.meta.alias">{{ filter.meta.alias }}</span>
       <span ng-if="!filter.meta.alias">{{ filter.meta.key }}:</span>
       <span ng-if="!filter.meta.alias">"{{ filter.meta.value }}"</span>
@@ -22,7 +22,7 @@
         <i ng-show="filter.meta.disabled" class="fa fa-fw fa-square-o disabled"></i>
         <i ng-hide="filter.meta.disabled" class="fa fa-fw fa-check-square-o enabled"></i>
       </a>
-      <a class="action filter-pin" ng-click="pinFilter(filter)" data-test-subj="pinFilter-{{ filter.meta.key }}">
+      <a class="action filter-pin" ng-if="showFilterPin()" ng-click="pinFilter(filter)" data-test-subj="pinFilter-{{ filter.meta.key }}">
         <i ng-show="filter.$state.store == 'globalState'" class="fa fa-fw fa-thumb-tack pinned"></i>
         <i ng-hide="filter.$state.store == 'globalState'" class="fa fa-fw fa-thumb-tack fa-rotate-270 unpinned"></i>
       </a>

src/ui/public/filter_bar/filter_bar.js

@@ -10,6 +10,7 @@ import FilterBarLibChangeTimeFilterProvider from 'ui/filter_bar/lib/change_time_
 import FilterBarQueryFilterProvider from 'ui/filter_bar/query_filter';
 import compareFilters from './lib/compare_filters';
 import uiModules from 'ui/modules';
+import chrome from 'ui/chrome';
 const module = uiModules.get('kibana');
 
 
@@ -45,6 +46,10 @@ module.directive('filterBar', function (Private, Promise, getAppState) {
 
       $scope.state = getAppState();
 
+      // Don't show filter "pinnability" when in embedded mode, as it doesn't make sense in that context
+      // as there will be no cross app navigation for which the filter should persist.
+      $scope.showFilterPin = () => chrome.getVisible();
+
       $scope.aceLoaded = function (editor) {
         editor.$blockScrolling = Infinity;
         const session = editor.getSession();