fix: update scroll and callbacks

[janniks]

This PR was published to npm with the alpha versions:

• connect npm install @stacks/connect@7.6.1-alpha.8ffdb23.0 --save-exact
• connect-react npm install @stacks/connect-react@22.4.1-alpha.8ffdb23.0 --save-exact
• connect-ui npm install @stacks/connect-ui@6.3.1-alpha.8ffdb23.0 --save-exact

• update scrolling behavior to not let underneath site scroll when modal is open
• adds missing onCancel trigger

thanks to @fess-v 🙏

[changeset-bot[bot]]

🦋 Changeset detected

Latest commit: 8ffdb230db95e6dd0205aa9c684d5641bd504074

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 3 packages

| Name | Type | | --------------------- | ----- | | @stacks/connect-ui | Minor | | @stacks/connect | Minor | | @stacks/connect-react | Patch |

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Name	Status	Preview	Comments	Updated (UTC)
connect	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 7, 2024 9:33pm
connect-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Feb 7, 2024 9:33pm

[fess-v]

Tried this fix, works perfectly! thanks @janniks