[KARMA-GAP] Small fixes on the grants completion badge

[fabianferno]

Fixes: Check if grant was completed before checking for milestone completion

Description

Fixes on the Karma-GAP grant integration

• Added completed type to a grant object
• Check if grant was completed along with checking for milestone completion in the grant completion badge

Checklist

This PR:

• Does it add new payout or donation token? In this case, have they been added to the indexer to avoid it to crash?
• Includes only changes relevant to the original ticket. Significant refactoring needs to be separated.
• Doesn't disable eslint rules.
• Doesn't work around the type checker (including but not limited to: type casts, non-null assertions, @ts-ignore, unjustified optional values).
• Doesn't contain commented out code.
• If adding/updating a feature, it adds/updates its test script on Notion.

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
builder	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 1, 2024 1:27pm
builder-staging	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 1, 2024 1:27pm
explorer	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 1, 2024 1:27pm
explorer-staging	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 1, 2024 1:27pm
manager	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 1, 2024 1:27pm
manager-staging	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Nov 1, 2024 1:27pm

[fabianferno]

Example: https://explorer-git-fork-show-karma-fix-gap-milest-153022-grants-stack.vercel.app/#/round/42161/608/154

Previously, the system only checked if all milestones were completed. This PR updates the logic to check if the grant has been explicitly marked as complete by the user, ensuring accurate status updates.