Remove fullscreen button from MindElixir toolbar

[DisciplinedSoftware]

Summary

• removes the fullscreen toolbar button from the embedded MindElixir toolbar
• keeps host-side control of fullscreen behavior instead of exposing it in the in-map toolbar
• updates both bundled copies used by VS Code and Visual Studio variants

Commits

1. Revert fullscreen button fix in MindElixir.js
2. Remove fullscreen button

Notes

• source branch: DisciplinedSoftware:fix/remove-fullscreen-host-side
• target branch: main

[Copilot]

Pull request overview

This PR aims to remove the fullscreen control from the embedded MindElixir toolbar and keep fullscreen behavior controlled by the host (VS Code / Visual Studio).

Changes:

• Adds CSS overrides in both hosts to hide the #fullscreen toolbar item and adjust toolbar spacing.
• Updates both bundled MindElixir.js copies, but currently (re-)introduces a fullscreen toolbar button and fullscreen handling code in the library bundle.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 4 comments.

File	Description
Visual Studio/CodeMindMap/MindElixir/MindElixir.js	Modifies toolbar construction and adds fullscreen handling logic.
Visual Studio/CodeMindMap/CodeMindMapHtml.cs	Adds host CSS to hide the fullscreen toolbar item and tweak layout.
VS Code/src/extension.ts	Adds host CSS to hide the fullscreen toolbar item and tweak layout.
VS Code/MindElixir/MindElixir.js	Same toolbar + fullscreen handling changes as the Visual Studio bundle.

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.