[UIK-3380][bulk-textarea] fixed tooltips if commonErrorMessage is empty

[ilyabrower]

Motivation and Context

How has this been tested?

Manually

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue).
• New feature (non-breaking change which adds functionality).
• Breaking change (fix or feature that would cause existing functionality to not work as expected).
• Nice improve.

Checklist:

• My code follows the code style of this project.
• I have updated the documentation accordingly or it's not required.
• Unit tests are not broken.
• I have added changelog note to corresponding CHANGELOG.md file with planned publish date.
• I have added new unit tests on added of fixed functionality.

[j-mnizhek]

It's painful for me to see errors inside the input with no invalid state, but let's give them this opportunity

Finally I can add this pic to the PR