Allow more derived State classes to be parameterized with a generic type

[jeevcat]

Checklist

• The tests pass
• I have referenced the issue(s) or other PR(s) this fixes/relates-to
• I have run pnpm changeset and followed the instructions
• I have explained in this PR, what I did and why
• I replaced the image below
• Had a beer/coffee/tea because I did something cool today

What, why and how?

Prevent the need to do type assertions on the engine member on a number of classes which derive from State by adding a generic parameter which is passed to the derived class.

Feel good image:

[changeset-bot]

🦋 Changeset detected

Latest commit: 09ed60f

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

This PR includes changesets to release 7 packages

Name	Type
@projectstorm/react-canvas-core	Patch
@projectstorm/react-diagrams-core	Patch
@projectstorm/react-diagrams-defaults	Patch
@projectstorm/react-diagrams-routing	Patch
@projectstorm/react-diagrams	Patch
@projectstorm/react-diagrams-gallery	Patch
@projectstorm/react-diagrams-demo	Patch

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