fix removing double getIsPathDirectory code

Author: Jan Guegel

app/src/main/kotlin/org/fossify/filemanager/adapters/ItemsAdapter.kt

@@ -831,6 +831,16 @@ class ItemsAdapter(
                 val base = "${mainFilePath.getParentPath()}/"
                 res = zout
                 queue.push(mainFilePath)
+                if (activity.getIsPathDirectory(mainFilePath)) {
+                    name = "${mainFilePath.getFilenameFromPath()}/"
+                    val dirModified = File(mainFilePath).lastModified()
+                    zout.putNextEntry(
+                        ZipParameters().also {
+                            it.fileNameInZip = name
+                            it.lastModifiedFileTime = dirModified
+                        }
+                    )
+                }
 
                 while (!queue.isEmpty()) {
                     mainFilePath = queue.pop()