Encode # in filePath

See
https://github.com/mifi/lossless-cut/issues/8

src/renderer.jsx

@@ -224,6 +224,10 @@ class App extends React.Component {
     });
   }
 
+  getFileUri() {
+    return (this.state.filePath || '').replace(/#/g, '%23');
+  }
+
   render() {
     return (<div>
       {this.state.filePath ? undefined : <div id="drag-drop-field">DROP VIDEO</div>}
@@ -232,7 +236,7 @@ class App extends React.Component {
 
       <div id="player">
         <video
-          src={this.state.filePath}
+          src={this.getFileUri()}
           onRateChange={() => this.playbackRateChange()}
           onPlay={() => this.onPlay(true)}
           onPause={() => this.onPlay(false)}