allow multiple graphical menus (#7809)

Co-authored-by: Samuel Sieb <samuel@sieb.net>

esphome/components/display_menu_base/__init__.py

@@ -68,8 +68,6 @@ IsActiveCondition = display_menu_base_ns.class_(
     "IsActiveCondition", automation.Condition
 )
 
-MULTI_CONF = True
-
 MenuItemType = display_menu_base_ns.enum("MenuItemType")
 
 MENU_ITEM_TYPES = {

esphome/components/graphical_display_menu/__init__.py

@@ -36,6 +36,8 @@ CODEOWNERS = ["@MrMDavidson"]
 
 AUTO_LOAD = ["display_menu_base"]
 
+MULTI_CONF = True
+
 CONFIG_SCHEMA = DISPLAY_MENU_BASE_SCHEMA.extend(
     cv.Schema(
         {