Disable checkbox for products that are not available in selected channels

[Cloud11PL]

What type of PR is this?

• [ ] 💅 Refactor
• [ ] 🌟 Feature
• [ ] 🔥 Bug Fix
• [ ] 🔩 Maintenance
• [ ] 🛠 Workflow CI/CD changes

Related Issues or Documents

• closes #

Usage Instructions, Screenshots, Recordings

Have you written tests?

• [ ] Yes!
• [ ] No... here is why: Writing tests are mandatory, please replace this text with why test are not included in this PR

[Optional] Description

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: e4ab56c37c1738e8abb2e9d12a2152e019e7f360

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
saleor-dashboard	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[Cloud11PL]

@poulch this branch will be merged to the one you mentioned 😄