manager: fixed "static field FLAG_REDIRECT_STDERR: Int' is deprecated"

manager/app/src/main/java/com/rifsxd/ksunext/ui/util/SELinuxChecker.kt

@@ -7,15 +7,13 @@ import com.rifsxd.ksunext.R
 
 @Composable
 fun getSELinuxStatus(): String {
-    val shell = Shell.Builder.create()
-        .setFlags(Shell.FLAG_REDIRECT_STDERR)
-        .build("sh")
-
+    val shell = Shell.getShell() // Get the default shell instance
     val list = ArrayList<String>()
-    val result = shell.use {
-        it.newJob().add("getenforce").to(list, list).exec()
-    }
-    val output = result.out.joinToString("\n").trim()
+    val result = shell.newJob()
+        .add("getenforce")
+        .to(list, list)
+        .exec()
+    val output = list.joinToString("\n").trim()
 
     if (result.isSuccess) {
         return when (output) {