Update demos to use latest sdk package version

[alonso-cadenas]

Description

Jira Ticket: CALL-3289

• Update demos to use latest sdk package version
• Update imports to use the sdk package by default, with alternative import commented out for development until we have an npm link script.

  Merge Checklist

Q	A
Adds Documentation?
Any Dependency Changes?
Patch: Bug Fix?	:white_check_mark:
Minor: New Feature?
Major: Breaking Change?

BRAVE Checklist

• [x] I have read the BRAVE checklist and confirmed if the following is necessary.

Q	A
Backwards Compatible?	:white_check_mark:
Rollout/Rollback Plan?	Create a revert PR then create a new patch version.
Automated test coverage?
Verified that changes work?	:white_check_mark:
Expect Dependencies to Fail?	:white_check_mark:

[github-actions[bot]]

PR Preview Action v1.3.0 :---: :rocket: Deployed preview to https://HubSpot.github.io/calling-extensions-sdk/pr-preview/pr-96/ on branch gh-pages at 2023-04-05 20:57 UTC