some optimization on addons

(cherry picked from commit 9f4c9edd43)

addons/SimpleFormatOnSave/rules/blank_lines.gd

@@ -23,7 +23,7 @@ static func _blank_for_func_class(code: String) -> String:
 	var comment_line_regex = RegEx.create_from_string(r"^\s*#")
 	var empty_line_regex = RegEx.create_from_string(r"^\s+$")
 	var lines := code.split('\n')
-	var modified_lines: Array[String] = []
+	var modified_lines: PackedStringArray = []
 
 	for line: String in lines:
 		# Spaces between functions & classes

addons/Todo_Manager/plugin.gd

@@ -8,10 +8,12 @@ const TodoItem := preload("res://addons/Todo_Manager/todoItem_class.gd")
 
 var _dockUI: Dock
 
+
 class TodoCacheValue:
 	var todos: Array
 	var last_modified_time: int
 
+
 	func _init(todos: Array, last_modified_time: int):
 		self.todos = todos
 		self.last_modified_time = last_modified_time
@@ -19,7 +21,7 @@ class TodoCacheValue:
 var todo_cache: Dictionary # { key: script_path, value: TodoCacheValue }
 var remove_queue: Array
 var combined_pattern: String
-var cased_patterns : Array[String]
+var cased_patterns: PackedStringArray
 
 var refresh_lock := false # makes sure _on_filesystem_changed only triggers once
 
@@ -51,7 +53,7 @@ func queue_remove(file: String):
 			_dockUI.todo_items.remove_at(i)
 
 
-func find_tokens_from_path(scripts: Array[String]) -> void:
+func find_tokens_from_path(scripts: PackedStringArray) -> void:
 	for script_path in scripts:
 		var file := FileAccess.open(script_path, FileAccess.READ)
 		var contents := file.get_as_text()
@@ -178,8 +180,8 @@ func _on_filesystem_changed() -> void:
 			rescan_files(false)
 
 
-func find_scripts() -> Array[String]:
+func find_scripts() -> PackedStringArray:
-	var scripts : Array[String]
+	var scripts: PackedStringArray
 	var directory_queue: Array[String]
 	var dir := DirAccess.open("res://")
 	if dir.get_open_error() == OK:
@@ -210,7 +212,8 @@ func get_cached_todos(script_path: String) -> Array:
 			return cached_value.todos
 	return []
 
-func get_dir_contents(dir: DirAccess, scripts: Array[String], directory_queue: Array[String]) -> void:
+
+func get_dir_contents(dir: DirAccess, scripts: PackedStringArray, directory_queue: PackedStringArray) -> void:
 	dir.include_navigational = false
 	dir.include_hidden = false
 	dir.list_dir_begin()