Add package and class metadata to icon enums

Updated CupertinoIcons and Icons classes to include package_name and class_name metadata via IconData's __init_subclass__ method. This change enables better identification and organization of icon sets within the Flet framework.

Author: FeodorFitsner

sdk/python/packages/flet/src/flet/controls/cupertino/cupertino_icons.py

@@ -13,7 +13,7 @@
 __all__ = ["CupertinoIcons"]
 
 
-class CupertinoIcons(IconData):
+class CupertinoIcons(IconData, package_name="flet", class_name="CupertinoIcons"):
     ADD = 0x20000
     ADD_CIRCLED = 0x20001
     ADD_CIRCLED_SOLID = 0x20002

sdk/python/packages/flet/src/flet/controls/icon_data.py

@@ -30,6 +30,17 @@ class IconData(IntEnum):
     across multiple icon sets.
     """
 
+    def __new__(cls, value):
+        obj = int.__new__(cls, value)
+        obj._value_ = value
+        return obj
+
+    @classmethod
+    def __init_subclass__(cls, **kwargs):
+        cls._package_name = kwargs.pop("package_name", "")
+        cls._class_name = kwargs.pop("class_name", "")
+        super().__init_subclass__(**kwargs)
+
     @classmethod
     def random(
         cls: type[T],

sdk/python/packages/flet/src/flet/controls/material/icons.py

@@ -13,7 +13,7 @@
 __all__ = ["Icons"]
 
 
-class Icons(IconData):
+class Icons(IconData, package_name="flet", class_name="Icons"):
     ABC = 0x10000
     ABC_OUTLINED = 0x10001
     ABC_ROUNDED = 0x10002