SkriptCommand - fix sending hidden files (#7315)

* SkriptCommand - fix sending hidden files

* SkriptCommand - fix directory issue

* SkriptCommand - only show scripts

* SkriptCommand - fix spacing

---------

Co-authored-by: Efnilite <35348263+Efnilite@users.noreply.github.com>
Co-authored-by: sovdee <10354869+sovdeeth@users.noreply.github.com>

src/main/java/ch/njol/skript/SkriptCommand.java

@@ -35,6 +35,7 @@
 import java.io.FileFilter;
 import java.io.IOException;
 import java.nio.file.Files;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
 import java.util.HashSet;
@@ -457,7 +458,7 @@ public boolean onCommand(CommandSender sender, Command command, String label, St
 				ScriptLoader.getDisabledScripts().stream()
 						.flatMap(file -> {
 							if (file.isDirectory()) {
-								return Arrays.stream(file.listFiles());
+								return getSubFiles(file).stream();
 							}
 							return Arrays.stream(new File[]{file});
 						})
@@ -479,6 +480,20 @@ public boolean onCommand(CommandSender sender, Command command, String label, St
 	private static final ArgsMessage m_invalid_script = new ArgsMessage(CONFIG_NODE + ".invalid script");
 	private static final ArgsMessage m_invalid_folder = new ArgsMessage(CONFIG_NODE + ".invalid folder");
 
+	private static List<File> getSubFiles(File file) {
+		List<File> files = new ArrayList<>();
+		if (file.isDirectory()) {
+			for (File listFile : file.listFiles(f -> !f.isHidden())) {
+				if (listFile.isDirectory()) {
+					files.addAll(getSubFiles(listFile));
+				} else if (listFile.getName().endsWith(".sk")) {
+					files.add(listFile);
+				}
+			}
+		}
+		return files;
+	}
+
 	private static @Nullable File getScriptFromArgs(CommandSender sender, String[] args) {
 		return getScriptFromArgs(sender, args, Skript.getInstance().getScriptsFolder());
 	}