Improved chart plugin reliability

This release focuses on stability improvements for the charting functionality in Gram Elements.

The chart plugin has been enhanced to handle streaming data more reliably, with fixes for JSON parsing synchronization issues that could occur during real-time data updates.

Bug fixes

• Chart plugin streaming fix - Resolved synchronization issues with chart plugin JSON parsing during streaming operations, improving reliability when rendering dynamic visualizations.
• Modal variant display fixes - Corrected minor display issues affecting the modal variant component.