manager: Optimize the layout of PullToRefreshBox in SuperUserScreen to remove redundant padding

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

@@ -416,12 +416,8 @@ fun SuperUserScreen(navigator: DestinationsNavigator) {
             )
         }
     ) { innerPadding ->
-
-        // 主要内容
         PullToRefreshBox(
-            modifier = Modifier
+            modifier = Modifier.padding(innerPadding),
-                .fillMaxSize()
-                .padding(innerPadding),
             onRefresh = {
                 scope.launch { viewModel.fetchAppList() }
             },