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

[jeevcat]

Checklist

• [x] The tests pass
• [ ] I have referenced the issue(s) or other PR(s) this fixes/relates-to
• [x] I have run pnpm changeset and followed the instructions
• [x] I have explained in this PR, what I did and why
• [x] I replaced the image below
• [x] 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[bot]]

🦋 Changeset detected

Latest commit: 09ed60ff64c670730dc5579412b1122261bc3718

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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