fix audio url

Author: tdurieux

public/partials/pageView.htm

@@ -6,7 +6,7 @@
 <div class="h-100 overflow-auto" ng-if="type == 'pdf'">
   <pdfviewer class="h-100 overflow-auto" src="{{url}}" id="viewer"></pdfviewer>
 </div>
-<div ng-if="type == 'audio'"><audio controls="controls"><source src="{{url}}" /></audio></div>
+<div ng-if="type == 'audio'"><audio controls="controls"><source ng-src="{{url}}" /></audio></div>
 <div ng-if="type == 'IPython'"><notebook file="url"></notebook></div>
 <div ng-if="type == 'error'" class="file-error container d-flex h-100"><h1 class="paper-empty-title m-auto" translate="ERRORS.{{content}}">Error</h1></div>
 <div ng-if="type == 'loading' && !error" class="file-error container d-flex h-100"><h1 class="paper-empty-title m-auto">Loading&hellip;</h1></div>