Metamigo frontend updates

apps/metamigo-frontend/app/_components/layout/AppBar.tsx

@@ -42,14 +42,19 @@ const CustomUserMenu = (props: any) => (
 const CustomAppBar = (props: any) => {
   const classes = useStyles();
   return (
-    <AppBar {...props} elevation={1} userMenu={<CustomUserMenu />}>
+    <AppBar
+      {...props}
+      elevation={1}
+      userMenu={<CustomUserMenu />}
+      position="sticky"
+      sx={{ mt: -1 }}
+    >
       <Typography
         variant="h6"
         color="inherit"
         className={classes.title}
         id="react-admin-title"
       />
-      <span className={classes.spacer} />
     </AppBar>
   );
 };