Scoped Store Refactor and Store Composition Refactor

[ElectronicBlueberry]

Refactors scoped stores to use a custom defineScopedStore function, reducing nesting, repeated code and potential for errors.

Also refactors all stores using scope (currently just Workflow Stores) to composition.

How to test the changes?

(Select all options that apply)

• I've included appropriate automated tests.
• This is a refactoring of components with existing test coverage.
• Instructions for manual testing are as follows:
  1. [add testing steps and prerequisites here if you didn't write automated tests covering all your changes]

License

• I agree to license these and all my past contributions to the core galaxy codebase under the MIT license.

[mvdbeek]

Very cool, thank you!