fix(#2660): dropdown closes for complex children

[illiteratewriter]

• fix issue where if children of dropdown toggle where not simple strings the dropdown would remain open

• Bug fix
• New feature
• Chore
• Breaking change
• There is an open issue which this change addresses
• I have read the CONTRIBUTING document.
• My commits follow the Git Commit Guidelines
• My code follows the code style of this project.
• My change requires a change to the documentation.
  • I have updated the documentation accordingly.
• My change requires a change to Typescript typings.
  • I have updated the typings accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[frankybboy96]

Any update on this? is this gonna be reviewed eventually, we've got the problem since we're using icons instead of text in some of our dropdown.. this fixes it