manager: Add a default tab item to the AppItem

- Maybe make the spacing consistent? I'm not sure.

Signed-off-by: ShirkNeko <109797057+ShirkNeko@users.noreply.github.com>

manager/app/src/main/java/com/sukisu/ultra/ui/screen/SuperUser.kt

@@ -785,6 +785,7 @@ private fun AppItem(
         supportingContent = {
             Column {
                 Text(app.packageName)
+                
                 Spacer(modifier = Modifier.height(4.dp))
 
                 FlowRow(
@@ -813,6 +814,13 @@ private fun AppItem(
                                 contentColor = MaterialTheme.colorScheme.onTertiaryContainer,
                             )
                         )
+                    } else if (!app.allowSu) {
+                        LabelItem(
+                            text = "DEFAULT",
+                            style = LabelItemDefaults.style.copy(
+                                containerColor = Color.Gray
+                            )
+                        )
                     }
                 }
             }