Fixes and polish for stable release

[misscoded]

Summary

Final preparations and polish prior to cutting a stable release. 💅🏼

• Makes inputs available by way of Context for interactivity events that are associated with a function's execution
• Added three function-related keys to the Context interface
• Surface proper errors if the functionExecutionId somehow goes missing when using a utility

Requirements (place an x in each [ ])

• [x] I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• [x] I've read and agree to the Code of Conduct.