revert android overlay app_bar

Author: toger5

src/AppBar.module.css

@@ -2,10 +2,7 @@
   block-size: 64px;
   flex-shrink: 0;
 }
-/*show the header bar as an overlay over the video. (android)*/
-.overlay {
-  block-size: 0px;
-}
+
 .bar > header {
   position: absolute;
   inset-inline: 0;

src/AppBar.tsx

@@ -64,10 +64,7 @@ export const AppBar: FC<Props> = ({ children }) => {
     <>
       <div
         style={{ display: hidden ? "none" : "block" }}
-        className={classNames(
-          styles.bar,
-          platform === "android" && styles.overlay,
-        )}
+        className={styles.bar}
       >
         <Header>
           <LeftNav>