Chore/use original color picker package

[EchoEllet]

Description

Revert the clone of flutter_colorpicker in #1874 as the package has been published on pub.dev and update the package to the latest version

Checklist

• I read the Contributor Guide and followed the process outlined there for submitting PRs.
• I titled the PR using Conventional Commits.
• I did not modify the CHANGELOG.md nor the plugin version in pubspec.yaml files.
• All existing and new tests are passing.
• I have run the commands in ./scripts/before_push.sh and it all passed successfully

Related issues

• Incompatible with current Flutter SDK. #1866
• flutter_colorpicker dependency uses removed properties, app won't launch after flutter 3.22.0 #1865

Breaking Change

Does your PR require plugin users to manually update their apps to accommodate your change?

• Yes, this is a breaking change (please indicate that with a ! in the title as explained in Conventional Commits).
• No, this is not a breaking change.