fix: correct function env settings

[anbraten]

About

This PR fixes adding environment variables.

In addition it moves the new env var input to the bottom and also includes the entered env var even if the user forgot to press Add. (open for suggestions / reverting it)

Screencast from 2023-11-08 19-34-40.webm

• What does this PR do?
• Add an issue number if this PR can fix or relates to an issue.
• Add a changeset if needed with pnpm changeset

Tests

• Try to add a test if possible