Dialog Manager Bug Fixed

## [Unreleased] - 2025-12-12

### Fixed

- **HTML5 Dialogue Bug**: Dialogue text was not visually updating in HTML5/WebGL builds after scene transitions (specifically after battle scenes). Upgrading to Dialogue Manager 3 (latest version) resolved this issue.

### Changed

- Updated Dialogue Manager addon to version 3

- Refactored dialogue balloon code to work with new Dialogue Manager API:
- `show_dialogue_balloon()` now takes `(resource, title, extra_game_states)` instead of `(image_path, resource, title)`
- Character portrait images are now set directly on the balloon via `set_character_image()` after creation
- Added deferred image loading in `balloon.gd` to handle timing when balloon isn't ready yet

- Removed deprecated `DialogueManager.character_image_path` property usage from `dialogue_interact.gd`