Generate panel Ids based on panel title and group title in the dashboard yml file

Summary

This issue is an output of #208868 (closed) discussion issue. A unique identifier is required for each panel in the monitoring dashboard yml file in order to associate them with annotations. Based on the discussion, it is identified that the backend would create a unique Id and passed it along with the rest of the dashboard yml properties to the FE.

Proposal

This Id would be a combination of panel title and panel group title. The rationale behind why this was chosen is #208868 (closed)

Links / references