refactor(core): resolve circular dependencies

[LukasBoll]

Eliminated circular dependencies in the core module and reorganized package structure.

Ref #2321

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[coveralls]

coverage: 83.269% (-0.07%) from 83.337% when pulling 0b6758f49513724a99168ef57d7e21ec402b9621 on LukasBoll:resolve_dependencies into c00b664ced7bb17ca2ab838ce5da610790c76566 on eclipsesource:master.

[coveralls]

coverage: 83.26% (-0.08%) from 83.337% when pulling 2dc1e472c09f56c2d3230dcabde4653bb95685ce on LukasBoll:resolve_dependencies into c3cead71d08ff11837bdeb5fbea66e5313137218 on eclipsesource:master.

[LukasBoll]

Hi @LukasBoll , thanks for the PR ❤️ The changes already look mostly good to me and no more circular dependency warnings are shown :) Besides two inline comments, I suggest renaming the folder stateToPropsMapper to simply mappers: Not all of the methods are mapping state to props but most of them map either state or dispatch to some kind of props or utility data structure.

Hi @lucas-koehler,

Thank you for the review! I updated everything according to your suggestions!