Check correctly if package is loadable

[balloob]

Description:

When checking if a dependency is installed for a component, don't just check if it's installed but also make sure that it's the one that will be loaded when we import it (ie it's the first in the dependency tree)

Related issue (if applicable): fixes #16120

Checklist:

• The code change is tested and works locally.
• Local tests pass with tox. Your PR cannot be merged unless tests pass

If the code does not interact with devices:

• Tests have been added to verify that the new code works.