v1.26.9

What's Changed

• Upstream ComfyUI Manager frontend and add custom node conflict detection by @christian-byrne in #5291
• add litegraph test config by @jtydhr88 in #5310
• [bugfix] Fix invalid ManagerChannel enum value in nodepack installation by @christian-byrne in #5312
• [refactor] Remove unnecessary comments from Manager enum by @christian-byrne in #5315
• [fix] Update Litegraph test snapshots after PR #5310 by @christian-byrne in #5314
• [test] Fix flaky TTL expiration test in remoteWidgets.spec.ts by @snomiao in #5306
• 1.26.9 by @comfy-pr-bot in #5322

Full Changelog: v1.26.8...v1.26.9