refactor(editor): replace SessionCardRegistry with EditorCardRegistry

- Removed the SessionCardRegistry class and its associated methods, streamlining card management within the editor.
- Updated EditorManager to utilize EditorCardRegistry for card operations, enhancing session awareness and visibility control.
- Refactored related components to ensure compatibility with the new card management structure.

Benefits:
- Simplifies card management, leading to a more organized and efficient user experience.
- Improves maintainability by clearly defining roles for card handling and editor operations.

src/app/editor/editor_library.cmake

@@ -41,7 +41,6 @@ set(
   app/editor/system/project_manager.cc
   app/editor/system/proposal_drawer.cc
   app/editor/system/rom_file_manager.cc
-  app/editor/system/session_card_registry.cc
   app/editor/system/settings_editor.cc
   app/editor/system/shortcut_manager.cc
   app/editor/system/session_coordinator.cc