Make bottom bar smaller in landscape mode

app/src/main/java/org/mydomain/myscan/view/Scaffold.kt

@@ -112,17 +112,21 @@ fun DocumentBar(
             }
         }
 
-        BottomAppBar(
+        val color = MaterialTheme.colorScheme.surfaceContainerHigh
-            containerColor = MaterialTheme.colorScheme.surfaceContainerHigh,
-        ) {
         if (isLandscape) {
             Column(
                 horizontalAlignment = Alignment.CenterHorizontally,
-                    modifier = Modifier.fillMaxWidth()
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .background(color)
+                    .padding(8.dp)
             ) {
                 buttonBar()
             }
         } else {
+            BottomAppBar(
+                containerColor = color,
+            ) {
                 Row(
                     modifier = Modifier
                         .padding(horizontal = 8.dp)