Variations for Custom Tools

Custom tools now support tool variations. Allows the names of Custom Tools to now be edited along with all fields of Functions.

Features

• Update functions and gateway to set and check the Gram-Invoke-ID response header from Gram Functions tool calls before proxying the response back to the client. This is an added security measure that asserts the server that ran a function had access to the auth secret and was able to decrypt the bearer token successfully.

Fixes

• Fix custom install page logos on custom domains
• Correctly use the custom domain on install pages