fixing some rotating related ui glitches at the pdf viewer

app/src/main/kotlin/com/simplemobiletools/filemanager/pro/activities/PDFViewerActivity.kt

@@ -67,10 +67,17 @@ class PDFViewerActivity : SimpleActivity() {
         pdf_viewer_toolbar.setNavigationOnClickListener {
             finish()
         }
+
+        if (!portrait && navigationBarRight && navigationBarWidth > 0) {
+            pdf_viewer_appbar.setPadding(0, 0, navigationBarWidth, 0)
+        } else {
+            pdf_viewer_appbar.setPadding(0, 0, 0, 0)
+        }
     }
 
     override fun onConfigurationChanged(newConfig: Configuration) {
         super.onConfigurationChanged(newConfig)
+        (pdf_viewer_appbar.layoutParams as RelativeLayout.LayoutParams).topMargin = statusBarHeight
         if (!portrait && navigationBarRight && navigationBarWidth > 0) {
             pdf_viewer_appbar.setPadding(0, 0, navigationBarWidth, 0)
         } else {