v4.5.9.2 release

v4.5.9.2 had 3 bug fixes.

Significant defects addressed

• Corrected an issue that caused a JavaScript error when no broadcast component is present.
• Corrected an issue that caused a compilation error when calling ToolPageContext#createObjectLabelHtml.
• Corrected an issue that caused overlays to disappear when adding a slide to a homepage carousel.