[WIP] Fix color box functionality for undo and redo actions

[Copilot]

• Explored repository structure and identified the issue
• Located relevant files: image_layer.js and layer_history.js
• Update LayerHistory to store colors alongside other state
• Update ImageLayer.updatePreview to pass colors to history
• Update ImageLayer.restoreFromHistory to restore color boxes
• Verified JavaScript syntax is valid
• Test the fix manually by running the application
• Verify undo/redo works correctly with color boxes

Original prompt

---

This section details on the original issue you should resolve

<issue_title>fix: redo undo colorbox</issue_title>
<issue_description>color box must be worked when redo. undo.

</issue_description>

<agent_instructions>Intuitive and clear coding</agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes fix: redo undo colorbox #106

---

💡 You can make Copilot smarter by setting up custom instructions, customizing its development environment and configuring Model Context Protocol (MCP) servers. Learn more Copilot coding agent tips in the docs.

[volta2030]

Good. It works