fix: hide full empathize when there are no suggestions

[lauramargar]

Pull request template

Currently full predictive layer is open when there are no suggestions to display. Maybe in the archetype looks good but in several customers we have to change it each time.

Motivation and context

• Dependencies. If any, specify:
• Open issue. If applicable, link: EMP-1642

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that causes existing functionality to not work as expected)
• Change requires a documentation update

What is the destination branch of this PR?

• Main
• Other. Specify:

How has this been tested?

Search for a query with no suggestions, for example: print midi dress women

Checklist:

• My code follows the style guidelines of this project.
• I have performed a self-review on my own code.
• I have commented my code, particularly in hard-to-understand areas.
• I have made corresponding changes to the documentation.
• My changes generate no new warnings.
• I have added tests that prove my fix is effective or that my feature works.
• New and existing unit tests pass locally with my changes.

[jenkins-empathy]

PR #310 preview deployed in https://x.test.empathy.co/preview/310/index.html