Fix: Hide toggleable hidden column in column toggle dropdown

[dev-idkwhoami]

Description

This is related to issue #12780.

When deciding whether the dropdown action should be visible and when rendering the dropdown items the code did not check if the column is hidden.

Visual changes

Before:

After:

Functional changes

• Code style has been fixed by running the composer cs command.
• Changes have been tested to not break existing functionality.
• Documentation is up-to-date.

[untillnesss]

This is what happened to me, and I need this, immediately merge and release this change!

[NathanaelGT]

This PR solves my issue 👍

[danharrin]

Can you please refactor this so isHidden() is checked inside the isToggleable() method, as an early return maybe? Then we don't need to worry about doing this in each place :)

immediately merge and release this change!

@untillnesss patience... you're message comes across very demanding

[danharrin]

Thanks