properly determine if the given root item is a file or folder

app/src/main/kotlin/com/simplemobiletools/filemanager/helpers/RootHelpers.kt

@@ -32,10 +32,14 @@ class RootHelpers(val activity: Activity) {
         val hiddenArgument = if (activity.config.shouldShowHidden) "-A " else ""
         val cmd = "ls $hiddenArgument$path"
 
+        getFullLines(path) {
+            val fullLines = it
+
             val command = object : Command(0, cmd) {
                 override fun commandOutput(id: Int, line: String) {
                     val file = File(path, line)
-                val isDirectory = file.isDirectory
+                    val fullLine = fullLines.firstOrNull { it.endsWith(" $line") }
+                    val isDirectory = fullLine?.startsWith('d') ?: file.isDirectory
                     val fileDirItem = FileDirItem(file.absolutePath, line, isDirectory, 0, 0)
                     files.add(fileDirItem)
                     super.commandOutput(id, line)
@@ -54,6 +58,27 @@ class RootHelpers(val activity: Activity) {
 
             runCommand(command)
         }
+    }
+
+    private fun getFullLines(path: String, callback: (ArrayList<String>) -> Unit) {
+        val fullLines = ArrayList<String>()
+        val hiddenArgument = if (activity.config.shouldShowHidden) "-Al " else "-l "
+        val cmd = "ls $hiddenArgument$path"
+
+        val command = object : Command(0, cmd) {
+            override fun commandOutput(id: Int, line: String) {
+                fullLines.add(line)
+                super.commandOutput(id, line)
+            }
+
+            override fun commandCompleted(id: Int, exitcode: Int) {
+                callback(fullLines)
+                super.commandCompleted(id, exitcode)
+            }
+        }
+
+        runCommand(command)
+    }
 
     private fun getChildrenCount(files: ArrayList<FileDirItem>, path: String, callback: (originalPath: String, fileDirItems: ArrayList<FileDirItem>) -> Unit) {
         val hiddenArgument = if (activity.config.shouldShowHidden) "-A " else ""