wayland: implement xdg-toplevel-tag-v1

[mahkoh]

No description provided.

[Copilot]

Pull Request Overview

This PR implements the new xdg-toplevel-tag-v1 protocol, adding support for tag and description requests for xdg toplevels in the compositor.

• Added a protocol definition file in wire/xdg_toplevel_tag_manager_v1.txt.
• Implemented corresponding request handlers and error types in Rust under src/ifs/xdg_toplevel_tag_manager_v1.rs.
• Registered the new global in the globals and ifs modules, updated release notes, and added documentation.

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
wire/xdg_toplevel_tag_manager_v1.txt	Defines the protocol requests for destroy, set_toplevel_tag, and set_toplevel_description.
src/ifs/xdg_toplevel_tag_manager_v1.rs	Implements the request handling and error type for the new protocol.
src/ifs.rs	Registers the new module for the xdg_toplevel_tag_manager_v1.
src/globals.rs	Registers the global object singleton for the new protocol.
release-notes.md	Adds a note about the implementation of xdg-toplevel-tag-v1.
docs/features.md	Documents the new protocol support.

Comments suppressed due to low confidence (1)

src/ifs/xdg_toplevel_tag_manager_v1.rs:27

• Consider renaming 'XdgTopleveTagManagerV1Error' to 'XdgToplevelTagManagerV1Error' to maintain consistency with the protocol naming in other parts of the code.

fn bind_(self: Rc<Self>, id: XdgToplevelTagManagerV1Id, client: &Rc<Client>, version: Version) -> Result<(), XdgTopleveTagManagerV1Error> {