Added filter to product collection by sources

[TadeuRodrigues]

Description (*)

Filter to product collection by sources.

Contribution checklist (*)

• [x] Pull request has a meaningful description of its purpose
• [x] All commits are accompanied by meaningful commit messages
• [x] All new or changed code is covered with unit/integration tests (if applicable)
• [x] All automated tests passed successfully (all builds are green)

[TadeuRodrigues]

@sidolov i made the new PR as you told me. https://github.com/magento/inventory/pull/2782#issuecomment-589795731