[license] Fix show engine components

Just a workaround for now.

README.md

@@ -245,6 +245,10 @@ License class.
 
 ### Changelog
 
+#### 1.6.1
+
+- Workaround show engine components, calling static function is bugged
+
 #### 1.6.0
 
 - Require Godot 4.2

addons/licenses/internal/toolbar.gd

@@ -110,6 +110,8 @@ func _on_menu_pressed() -> void:
 # add liense entry based on engine entry
 func _on_engine_add_id_pressed(id: int) -> void:
     var component: Component = Licenses.get_engine_component(self._add_engine_menu.get_item_metadata(id))
+    if component == null:
+        return
     component.readonly = false
     self._components_tree.add_component(component)
     self._components_tree.select_component(component)

addons/licenses/licenses.gd

@@ -1,4 +1,6 @@
 extends RefCounted
+# DO NOT USE THE CLASS NAME, it will be removed later
+class_name __LicenseManager
 
 const Component := preload("component.gd")
 
@@ -45,18 +47,22 @@ static func get_engine_components() -> Array[Component]:
     var engine_components: Array[Component] = []
 
     for info: Dictionary in Engine.get_copyright_info():
-        engine_components.append(get_engine_component(info["name"]))
+        var eg_comp: Component = get_engine_component(info["name"])
+        if eg_comp != null:
+            engine_components.append(eg_comp)
 
-    engine_components.sort_custom(compare_components_ascending)
+    engine_components.sort_custom(__LicenseManager.compare_components_ascending)
     return engine_components
 
 static func get_required_engine_components() -> Array[Component]:
     var engine_components: Array[Component] = []
 
     for name: String in ["Godot Engine", "ENet", "The FreeType Project", "Mbed TLS"]:
-        engine_components.append(get_engine_component(name))
+        var eg_comp: Component = get_engine_component(name)
+        if eg_comp != null:
+            engine_components.append(eg_comp)
 
-    engine_components.sort_custom(compare_components_ascending)
+    engine_components.sort_custom(__LicenseManager.compare_components_ascending)
     return engine_components
 
 static func save(components: Array[Component], file_path: String) -> int:

addons/licenses/plugin.cfg

@@ -3,7 +3,7 @@
 name="License Manager"
 description="Manage license and copyright for third party graphics, software or libraries."
 author="Iceflower S"
-version="1.6.0"
+version="1.6.1"
 script="plugin.gd"
 license="MIT"
 repository="https://github.com/kenyoni-software/godot-addons"