fix epub reader playback and trial navigation

Sources/RDEpubReaderView/EPUBCore/Resources/epub-fixed-layout.html

@@ -55,7 +55,6 @@
   <script>
     (function() {
       var Fit = { AUTO: 'auto', PAGE: 'page', WIDTH: 'width' };
-      var safeAreaInsets = { top: {{INSET_TOP}}, right: {{INSET_RIGHT}}, bottom: {{INSET_BOTTOM}}, left: {{INSET_LEFT}} };
       var viewportSize = { width: {{VIEWPORT_WIDTH}}, height: {{VIEWPORT_HEIGHT}} };
       var fit = '{{FIT_MODE}}';
       var pendingFrames = 0;
@@ -206,10 +205,9 @@
         }
 
         if (widthFit && scaledHeight > localViewport.height) {
-          offsetY = safeAreaInsets.top;
+          offsetY = 0;
         } else {
           offsetY = (localViewport.height - scaledHeight) / 2;
-          offsetY += (safeAreaInsets.top - safeAreaInsets.bottom) / 2;
         }
 
         iframe.style.left = offsetX + 'px';