refactor: Enhance OverworldEditor with Dynamic Context Menu and Tile Selector Widget

- Replaced static context menu setup in OverworldEditor with dynamic configuration based on the current map state, improving usability and responsiveness.
- Introduced TileSelectorWidget for better tile selection management, allowing for a more intuitive user experience when selecting tiles.
- Updated canvas controls to include zoom in and zoom out functionalities, enhancing the editor's navigation capabilities.
- Cleaned up legacy context menu code and improved overall organization for better maintainability and clarity.

src/app/gui/gui_library.cmake

@@ -23,6 +23,8 @@ set(
   app/gui/canvas/canvas_usage_tracker.cc
   app/gui/canvas/canvas_performance_integration.cc
   app/gui/canvas/canvas_interaction_handler.cc
+  app/gui/canvas/canvas_automation_api.cc
+  app/gui/widgets/tile_selector_widget.cc
 )
 
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