v1.0.44: chore: bump version to 1.0.44 (#1463)

Summary

• bump package.json version from 1.0.43 to 1.0.44
• channel: stable (rc → GitHub pre-release, stable → Latest)
• commits since v1.0.43 were auto-grouped below

How merging this PR ships the build

1. Merge — Release From Version PR workflow tags v1.0.44 on the merge commit
2. Tag triggers Publish All / build-release, which creates the GitHub Release using this PR body as the release notes
3. ToDesktop picks up the new build and rolls it out

Polish the sections below before merge. The auto-fill is a starting point — rewrite for users, not for the changelog.

Features

• (no feat: commits since v1.0.43 — add highlights here)

Fixes

• kill the loader black flash, MCP cold video, and overlay flicker (#1462)
• keep the progress loader clear of the footer (#1461)
• await the flag fetch before the sidebar gate decides (#1460)

Install

• 👉 comfy.org/download